Add rule suppression note to README

Kapil Borle · Kapil Borle · commit edba7cc6220f · 2016-07-19T11:59:00.000-07:00
diff --git a/README.md b/README.md
@@ -146,6 +146,7 @@ To match all functions/variables/parameters/objects, use `*` as the value of the
     Param(
     )
 
+**Note**: Rule suppression is currently supported only for built-in rules. 
 
 Settings Support in ScriptAnalyzer
 ========================================

Original file line number	Diff line number	Diff line change
@@ -146,6 +146,7 @@ To match all functions/variables/parameters/objects, use `*` as the value of the
`146`	`146`	`Param(`
`147`	`147`	`)`
`148`	`148`
	`149`	`+Note: Rule suppression is currently supported only for built-in rules.`
`149`	`150`
`150`	`151`	`Settings Support in ScriptAnalyzer`
`151`	`152`	`========================================`