markdown img insert work as intended

cms/cms/src/api/article/content-types/article/schema.json

@@ -39,6 +39,16 @@
         "videos",
         "audios"
       ]
+    },
+    "imagePosition": {
+      "type": "enumeration",
+      "enum": ["top", "left", "right", "none"],
+      "default": "top"
+    },
+    "imageSize": {
+      "type": "enumeration",
+      "enum": ["small", "medium", "large"],
+      "default": "medium"
     }
   }
 }