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-openolt-adapter.yaml b/jjb/verify/voltha-openolt-adapter.yaml
index 6cee045..53b9990 100644
--- a/jjb/verify/voltha-openolt-adapter.yaml
+++ b/jjb/verify/voltha-openolt-adapter.yaml
@@ -47,7 +47,7 @@
     jobs:
       - 'voltha-patch-test':
           extraHelmFlags: '--set global.image_tag=master --set onos-classic.image.tag=master'
-          
+
 - job-group:
     name: 'verify-voltha-openolt-adapter-jobs-voltha-2.12'
     jobs: