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/pkill_proc.groovy b/vars/pkill_proc.groovy
index c265a83..b77921e 100644
--- a/vars/pkill_proc.groovy
+++ b/vars/pkill_proc.groovy
@@ -79,7 +79,7 @@
                             // Groovy, why special case list comma handling (?)
     Boolean filler = true     // groovylint-disable-line UnusedMethodParameter
 ) {
-    
+
     String iam = getIam('main')
     Boolean ans = true