Configuration for extension installer

Author: lookyman

composer.json

@@ -1,5 +1,6 @@
 {
  "name": "phpstan/phpstan-symfony",
+ "type": "phpstan-extension",
  "description": "Symfony Framework extensions and rules for PHPStan",
  "license": ["MIT"],
  "authors": [
@@ -14,6 +15,11 @@
  "extra": {
  "branch-alias": {
  "dev-master": "0.11-dev"
+ },
+ "phpstan": {
+ "include": [
+ "extension.neon"
+ ]
  }
  },
  "require": {