Flesh out the readme files

Author: craigbilner

README.md

@@ -43,7 +43,7 @@ Then configure the rules you want to use under the rules section.
 
 ## Supported Rules
 
-* Fill in provided rules here
+* [jsx-no-invalid-props](docs/rules/jsx-no-invalid-props.md): Ensure that PropTypes are valid
 
 
 

docs/rules/jsx-no-invalid-props.md

@@ -0,0 +1,21 @@
+# JSX No invalid props (jsx-no-invalid-props)
+
+A quick check to see if a typo has been made on a PropType which can be at the minimum be annoying but also lead to debugging red herrings
+
+## Rule Details
+
+This rule checks propTypes on a class and validates the PropTypes against a static list from the React docs
+
+## Rule Options
+
+None yet
+
+## Todo
+
+Make more intelligent when determining PropTypes i.e. could have been imported as "p" which would currently fail:
+
+```js
+propTypes: {
+    a: p.array
+};
+```