Add recipe for DoctrineBundle 1.12 and newer

* Replaces deprecated underscore naming strategy with non-deprecated number-aware strategy
* Remove special production config

doctrine/doctrine-bundle/1.12/config/packages/doctrine.yaml

@@ -0,0 +1,24 @@
+doctrine:
+    dbal:
+        url: '%env(resolve:DATABASE_URL)%'
+
+        # IMPORTANT: You MUST configure your db driver and server version,
+        # either here or in the DATABASE_URL env var (see .env file)
+        #driver: 'mysql'
+        #server_version: '5.7'
+
+        # Only needed for MySQL (ignored otherwise)
+        charset: utf8mb4
+        default_table_options:
+            collate: utf8mb4_unicode_ci
+    orm:
+        auto_generate_proxy_classes: true
+        naming_strategy: doctrine.orm.naming_strategy.underscore_number_aware
+        auto_mapping: true
+        mappings:
+            App:
+                is_bundle: false
+                type: annotation
+                dir: '%kernel.project_dir%/src/Entity'
+                prefix: 'App\Entity'
+                alias: App

doctrine/doctrine-bundle/1.12/config/packages/prod/doctrine.yaml

@@ -0,0 +1,3 @@
+doctrine:
+    orm:
+        auto_generate_proxy_classes: false

doctrine/doctrine-bundle/1.12/manifest.json

@@ -0,0 +1 @@
+../1.6/manifest.json

doctrine/doctrine-bundle/1.12/post-install.txt

@@ -0,0 +1 @@
+../1.6/post-install.txt

doctrine/doctrine-bundle/1.12/src

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+../1.6/src