updated permission.md

Author: sinapam

Cpp/odin-views/permission.md

@@ -38,10 +38,36 @@ This view is used when different HTTP verbs require different permissions.
             "allowed": "example-view",
             "forbidden": "read-only-view"
         },
+        "otherwise": {
+            "view": "fost.response.403"        
+        }
+    }
+}
+```
+
+`HEAD` is supported automatically if `GET` is configured and will use `GET` permission configuration.
+
+The default view configuration for forbidden is `fost.response.403`.
+
+`otherwise` configuration needs to be a proper view configuration. The default configuration for `otherwise` is shown below where `allow` is taken from all the verbs configured. 
+
+```json
+{
+    "view": "odin.permission.method",
+    "configuration": {
+        "OPTIONS": "example.view",
+        "GET": {
+            "permission": "permission1-name",
+            "allowed": "example-view"
+        },
+        "PUT": {
+            "permission": "permission2-name",
+            "allowed": "example-view",
+        },
         "otherwise": {
             "view": "fost.response.405",
             "configuration": {
-                "verbs": ["GET", "HEAD", "OPTIONS", "PUT"]
+                "allow": ["GET", "HEAD", "OPTIONS", "PUT"]
             }
         }
     }