Add documentation file

dlwyatt · dlwyatt · commit 5480c1402956 · 2017-10-06T09:46:41.000-04:00
diff --git a/RuleDocumentation/AvoidTrailingWhitespace.md b/RuleDocumentation/AvoidTrailingWhitespace.md
@@ -0,0 +1,7 @@
+# AvoidTrailingWhitespace
+
+**Severity Level: Information**
+
+## Description
+
+Lines should not end with whitespace characters.  This can cause problems with the line-continuation backtick, and also clutters up future commits to source control.
