Reorganizing docs

- Adding quickstart examples for the different workflows
- Adding an environemnt overview
- Adding workflow definition
- Adding operation guide

Change-Id: I474dd1a2ea6e916512041f80f2ca3039718ab219
diff --git a/.gitignore b/.gitignore
index 8ed6db6..c0fb2d1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 # build related
 venv_docs
+doc_venv
 _build
 repos
 
@@ -11,6 +12,7 @@
 voltha-go
 voltha-openolt-adapter
 voltha-openonu-adapter
+voltha-openonu-adapter-go
 kind-voltha
 voltha-protos
 voltha-system-tests
@@ -19,3 +21,6 @@
 
 # IDEs
 .idea
+
+# OS
+.DS_Store