update docs

CHANGES.md

@@ -3,6 +3,7 @@ CHANGES
 
 ## 3.3.0-RC
 
+* Feature: NO_CDN Mode
 * Feature: Add option to show/hide restricted pages in list
 * Improvement: Refactor Access Control
 * Improvement: Checkbox behavior of task list

README.md

@@ -158,6 +158,7 @@ Environment Variables
 * **Option**
     * NODE_ENV: `production` OR `development`.
     * PORT: Server port. default: `3000`.
+    * NO_CDN: If `true`, system doesn't use CDN, all resources will be downloaded from CDN when build client, and served by the GROWI Express server. default: `false`.
     * ELASTICSEARCH_URI: URI to connect to Elasticearch.
     * REDIS_URI: URI to connect to Redis (use it as a session store instead of MongoDB).
     * PASSWORD_SEED: A password seed used by password hash generator.