📚 Update doc

Author: Vincent Langlet

docs/standards.md

@@ -120,3 +120,9 @@ We mainly respect the [Symfony Standard](./symfony.md) but
 ```
 <rule ref="Symfony3Custom.Scope.MethodScope"/>
 ```
+
+- Member var should have phpDoc with one blank line before
+
+```
+<rule ref="Symfony3Custom.Commenting.VariableComment"/>
+```

docs/standards/symfony.md

@@ -32,7 +32,9 @@ We do not respect the exception of the concatenation (`.`) operator
 
 - Always use identical comparison unless you need type juggling
 
-Not covered
+```
+<rule ref="Symfony3Custom.Operators.ComparisonOperatorUsage" />
+```
 
 - Use Yoda conditions when checking a variable against an expression