Fix markdown title

Author: Nicolas Hart

docs/rules/no-raw-text.md

@@ -25,6 +25,6 @@ const text = 'some text';
 <View><Text>{`${text}`}</Text></View>
 ```
 
-####This rule has an object option:
+#### This rule has an object option:
 
 - "skip" – allow to skip checking for the array of custom components