Update docs translation rule

docs/en/i18n.md

@@ -22,13 +22,10 @@ Snap Hutao Project features were originally based on the China server, but we ar
 - Snao Hutao Docs
   - [x] Localization framework
   - [ ] Web translation
-  - Process:![Crowdin](https://badges.crowdin.net/snap-hutao-docs/localized.svg)
+  - Process:
     - [ ] English
       - [x] Home page
       - [ ] User documentation
-    - [ ] Korean
-      - [ ] Home page
-      - [ ] User documentation
 
 ## Engage our Localization
 
@@ -39,5 +36,10 @@ Snap Hutao Project features were originally based on the China server, but we ar
       - We also welcome PR directly
   - **You can provide your translation at [translate.hut.ao](https://translate.hut.ao)**
 - Snap Hutao Docs
-  - **You can provide your translation at [translate-docs.hut.ao](https://translate-docs.hut.ao)**
+  - The developer team is maintaining Chinese documents and working on English documents
+  - You can clone the [docs repository](https://github.com/DGP-Studio/Snap.Hutao.Docs), translate docs with your 
+favourite tools, and make a Pull Request to contribute your work to the main repository
+  - If you are adding a new language, you can copy the entire `en` folder and rename it with [ISO 639-1 language code](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes)
+    - For example `jp` as Japanese
+    - Do not translate based on Chinese docs (`zh`) as there are some content only specific useful for Chinese users; they are not useful for international users.