Seperate rules from extension as in other phpstan extensions

Author: mcfedr

README.md

@@ -36,6 +36,13 @@ parameters:
 
 You have to provide a path to `srcDevDebugProjectContainer.xml` or similar xml file describing your container.
 
+To perform framework-specific checks, include also this file:
+
+```
+includes:
+	- vendor/phpstan/phpstan-phpunit/rules.neon
+```
+
 ## Constant hassers
 
 Sometimes, when you are dealing with optional dependencies, the `::has()` methods can cause problems. For example, the following construct would complain that the condition is always either on or off, depending on whether you have the dependency for `service` installed:

extension.neon

@@ -2,10 +2,6 @@ parameters:
 	symfony:
 		constant_hassers: true
 
-rules:
-	- PHPStan\Rules\Symfony\ContainerInterfacePrivateServiceRule
-	- PHPStan\Rules\Symfony\ContainerInterfaceUnknownServiceRule
-
 services:
 	# service map
 	symfony.serviceMapFactory:

rules.neon

@@ -0,0 +1,3 @@
+rules:
+	- PHPStan\Rules\Symfony\ContainerInterfacePrivateServiceRule
+	- PHPStan\Rules\Symfony\ContainerInterfaceUnknownServiceRule