Add more manifest tags

CloudronManifest.json

@@ -25,7 +25,7 @@
       "defaultValue": 2222
     }
   },
-  "tags": [ "apache", "php", "mysql" ],
+  "tags": [ "apache", "php", "mysql", "hosting", "lamp", "stacks", "development" ],
   "mediaLinks": [ "https://raw.githubusercontent.com/cloudron-io/lamp-app/master/medialinks/medialink_0.jpg" ],
   "changelog": "file://CHANGELOG",
   "minBoxVersion": "1.8.5",