conf.py
----
   * Import extension sphinx.ext.extlinks for rewriting/shortening URLs.
   * Define extlinks vol-{git,ger,jira} for documenting.

howto/edit_voltha_docs.rst
----
   * Build out docs for make lint and make html.
   * Include iamge files from an earlier howto patch to help get content in.

howto/voltha_repositories.rst
----
   * Pull in docs from another howto patch.
   * Describe gerrit and git repos.

Bump the copyright revision string to 2022.

Change-Id: Iacc139d764682d586c2cd88150c8e1795e479662
diff --git a/VERSION b/VERSION
index a158d08..b630701 100755
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.10.6
+2.10.7
diff --git a/conf.py b/conf.py
index 6d4ef01..8cb9c93 100644
--- a/conf.py
+++ b/conf.py
@@ -11,10 +11,6 @@
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-#
-# import os
-# import sys
-# sys.path.insert(0, os.path.abspath('.'))
 
 import os
 
@@ -25,12 +21,11 @@
 # -- Project information -----------------------------------------------------
 
 project = u'VOLTHA Docs'
-copyright = u'2019-2021, VOLTHA Contributors & Open Networking Foundation'
+copyright = u'2019-2022, VOLTHA Contributors & Open Networking Foundation'
 author = u'VOLTHA Contributors'
 
 # The short X.Y version
 version = get_version()
-
 # The full version, including alpha/beta/rc tags
 release = version
 
@@ -49,6 +44,7 @@
 extensions = [
     'recommonmark',
     'sphinx.ext.coverage',
+    'sphinx.ext.extlinks',
     'sphinx.ext.graphviz',
     'sphinx.ext.ifconfig',
     'sphinx.ext.mathjax',
@@ -74,7 +70,7 @@
 # Text files with lists of words that shouldn't fail the spellchecker:
 spelling_word_list_filename=['dict.txt', ]
 
-# sphinx-multiversion prep, run in each versioned source directory
+#sphinx-multiversion prep, run in each versioned source directory
 prep_commands = [
     'ln -sf _root_/repos _target_/repos',
     'make prep',
@@ -267,6 +263,16 @@
     "_static/fonts/Inconsolata-Bold.ttf",
 ]
 
+# -- Options for extlinks extension ------------------------------------------
+# ..seealso: https://www.sphinx-doc.org/en/master/usage/extensions/todo.html
+#        'vhc' : 'https://gerrit.opencord.org/plugins/gitiles/voltha-helm-charts',
+extlinks=\
+    {
+        'vol-jira' : ('https://jira.opencord.org/projects/VOL/issues/%s', 'jira::%s'),
+        'vol-ger'  : ('https://gerrit.opencord.org/plugins/gitiles/%s', 'gerrit::%s'),
+        'vol-git'  : ('https://github.com/opencord/%s', 'git::%s'),
+    }
+
 # -- Options for todo extension ----------------------------------------------
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = True
diff --git a/howto/edit_voltha_docs.rst b/howto/edit_voltha_docs.rst
index 463e86c..b63c44f 100644
--- a/howto/edit_voltha_docs.rst
+++ b/howto/edit_voltha_docs.rst
@@ -1,19 +1,22 @@
 Modify docs.voltha.org
 ======================
 
-Docs for VOLTHA can be found on the website or via web search:
-
+Docs for VOLTHA can be found on the website or via web search
+"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 - https://docs.voltha.org
 - https://docs.voltha.org/master/index.html
 
    - Note: Google search may return an older doc version for topics.
    - Navigate to /master/index.html and use the builtin searchbox to always view current documentation for VOLTHA.
 
-Browse repository content:
+Browse repository content
+"""""""""""""""""""""""""
+- :vol-ger:`voltha-docs`
+- :vol-git:`voltha-docs`
 
-- https://gerrit.opencord.org/plugins/gitiles/voltha-docs
 
-Checkout, modify and test:
+Checkout, modify and test
+"""""""""""""""""""""""""
 
 .. sourcecode:: shell
 
@@ -22,6 +25,38 @@
    $ cd voltha-docs
    $ vi *.rst
    $ make html           # doc generation
+   $ make lint           # syntax checking
    $ make test           # syntax check *.rst files
 
    $ "$BROWSER" _build/html/index.html  # BROWSER='firefox'
+
+
+make lint (syntax checking)
+"""""""""""""""""""""""""""
+- `make help (pending) <https://gerrit.opencord.org/c/voltha-system-tests/+/33306>`
+
+.. sourcecode:: shell
+
+   $ make help
+   $ USAGE: make target [, target(s)]
+   $
+   $ [LINT]
+   $  lint-json            Syntax check json sources
+   $  lint-python          Syntax check using pylint and flake8
+   $  lint-robot           Syntax check robot sources using rflint
+   $  lint-yaml            Syntax check yaml source using yamllint
+   $
+   $ make lint
+
+
+make html
+"""""""""
+- Install python packages: sphinx, pylint, flake8
+- Invoke sphinx to generate documentation.
+
+
+See Also
+""""""""
+- `RST Markup Documentation <https://rstdoc.readthedocs.io/en/latest>`
+- `Sphinx Documentation <https://www.sphinx-doc.org/en/master>`
+- `RST Markup Specification <https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html>`
diff --git a/howto/images/gerrit_dashboard.png b/howto/images/gerrit_dashboard.png
new file mode 100644
index 0000000..f3e8e38
--- /dev/null
+++ b/howto/images/gerrit_dashboard.png
Binary files differ
diff --git a/howto/images/menu_repositories.png b/howto/images/menu_repositories.png
new file mode 100644
index 0000000..25b1141
--- /dev/null
+++ b/howto/images/menu_repositories.png
Binary files differ
diff --git a/howto/images/repository_select_VOLTHA.png b/howto/images/repository_select_VOLTHA.png
new file mode 100644
index 0000000..205924b
--- /dev/null
+++ b/howto/images/repository_select_VOLTHA.png
Binary files differ
diff --git a/howto/voltha_repositories.rst b/howto/voltha_repositories.rst
new file mode 100644
index 0000000..73897e8
--- /dev/null
+++ b/howto/voltha_repositories.rst
@@ -0,0 +1,56 @@
+.. _voltha_repositories:
+
+VOLTHA project repositories
+===========================
+
+Finding a repository to work with
+---------------------------------
+
+Navigate to the VOLTHA repositories on gerrit or github:
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+- :vol-ger:`voltha-docs`
+- :vol-git:`voltha-docs`
+
+- https://github.com/opencord/voltha-docs
+
+|
+
+Visit gerrit.opencord.org/dashboard
+"""""""""""""""""""""""""""""""""""
+
+.. figure:: images/gerrit_dashboard.png
+   :alt: Gerrit dashboard
+   :width: 70%
+   :align: center
+
+|
+
+From the BROWSE pull-down menu select Repositories
+""""""""""""""""""""""""""""""""""""""""""""""""""
+.. figure:: images/menu_repositories.png
+   :alt: BROWSE pull-down menu selection
+   :align: center
+
+|
+
+In the Filter: box search for 'voltha-'
+"""""""""""""""""""""""""""""""""""""""
+
+- Click browse to view repository clone command and available versions.
+- Click branch=master to browse the code base.
+
+.. figure:: images/repository_select_VOLTHA.png
+   :alt: voltha- repository search
+   :width: 70%
+   :align: center
+
+|
+
+
+Github
+++++++
+A mirror of the VOLTHA gerrit repositories can also be found on github.
+
+- https://github.com/opencord/voltha-docs
+
+  - Gerrit repositories can also be accessed through a mirror on github.