Add support for pre-commit hook/linting

.pre-commit-config.yaml
-----------------------
  o Create initial config for pre-commit hook.

misc/*
  o Basic inline cleanups courtesy of the pre-commit hook.

Signed-off-by: Joey Armstrong <jarmstrong@linuxfoundation.org>
Change-Id: I6aa20216ade22b1a7406e8358864fb245842b713
diff --git a/jjb/verify/voltha-go.yaml b/jjb/verify/voltha-go.yaml
index 58fbafa..fbf92db 100644
--- a/jjb/verify/voltha-go.yaml
+++ b/jjb/verify/voltha-go.yaml
@@ -9,7 +9,7 @@
       - 'verify-voltha-go-jobs':
           branch-regexp: '{all-branches-regexp}'
       - 'verify-voltha-go-jobs-master':
-          branch-regexp: '^master$'          
+          branch-regexp: '^master$'
       - 'verify-voltha-go-jobs-voltha-2.12':
           name-extension: '-voltha-2.12'
           override-branch: 'voltha-2.12'