Fix nelmio doc for API

config/packages/nelmio_api_doc.yaml

 # Optional!
-# nelmio_api_doc:
-#     # models: { use_jms: true }
-#     documentation:
-#         info:
-#             title: MLC
-#             description: Application de gesiton de Monnaie Locale Complémentaire
-#             version: 2.3.0
-#         security_definitions:
-#             api_key:
-#                 type: apiKey
-#                 name: api_key
-#                 in: header
-#         security:
-#             api_key: []
-#     areas: # to filter documented areas
-#         path_patterns: # an array of regexps
-#             - ^/api(?!/doc$)
-#         # host_patterns:
-#         #     - ^api\.
\ No newline at end of file
+nelmio_api_doc:
+    # models: { use_jms: true }
+    documentation:
+        info:
+            title: MLC
+            description: Application de gesiton de Monnaie Locale Complémentaire
+            version: 2.3.0
+        security_definitions:
+            api_key:
+                type: apiKey
+                name: api_key
+                in: header
+        security:
+            api_key: []
+    areas: # to filter documented areas
+        path_patterns: # an array of regexps
+            - ^/api(?!/doc$)
+        host_patterns:
+            - ^api\.
\ No newline at end of file