:+1: version and update docs

CHANGES.md

@@ -1,12 +1,14 @@
 CHANGES
 ========
 
-## 2.0.3
+## 2.0.4
 
 * Improvement: Adjust styles for CodeMirror
 * Fix: File upload does not work when `FILE_UPLOAD=local` is set  
     * Fixed in weseek/crowi-plus-docker
 
+## 2.0.3 (Missing number)
+
 ## 2.0.2 (Missing number)
 
 ## 2.0.1

package.json

@@ -1,6 +1,6 @@
 {
   "name": "crowi-plus",
-  "version": "2.0.3-RC",
+  "version": "2.0.4-RC",
   "description": "Enhanced Crowi",
   "tags": [
     "wiki",