:+1: version and update docs

CHANGES.md

@@ -1,10 +1,10 @@
 # CHANGES
 
-## 3.5.8-RC
+## 3.5.9-RC
 
 * 
 
-## 3.5.7
+## 3.5.8
 
 * Improvement: Controls when HackMD/CodiMD has unsaved draft
 * Improvement: Show hints if HackMD/CodiMD integration is not working
@@ -12,6 +12,8 @@
 * Improvement: Comment Thread Layout
 * Improvement: Show commented date with date distance format
 
+## 3.5.7 (Missing number)
+
 ## 3.5.6
 
 * Fix: Saving new page is failed when empty string tag is set

package.json

@@ -1,6 +1,6 @@
 {
   "name": "growi",
-  "version": "3.5.8-RC",
+  "version": "3.5.9-RC",
   "description": "Team collaboration software using markdown",
   "tags": [
     "wiki",