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/vars/pgrep_proc.groovy b/vars/pgrep_proc.groovy
index 726bccc..75a3600 100644
--- a/vars/pgrep_proc.groovy
+++ b/vars/pgrep_proc.groovy
@@ -72,13 +72,13 @@
     Boolean ans = true
 
     throw new Exception("UNUSED: Not yet implemented")
-    
+
     println("** ${iam}: ENTER")
 
     // var = Gstring throws exception due to cast problem.
     // var = [ 'foo', 'bar' 'tans' ].join(' ').toString() fails
     throw new Exception("Not yet implemented")
-    
+
     try {
         process(proc, args)
     }