docs: readme of docs

Signed-off-by: CaiJingLong <[email protected]>

docs/README.md

@@ -1 +1,32 @@
-# Try to build docs by github actions
+# About the README
+
+The docs is generated by [hugo][].
+
+It should provide version-independent content,
+such as compatibility-related documents and documents loaded by the release version of each plugins.
+
+If you want to read the docs of plugins, please see the README of each plugins.
+
+## Write docs
+
+You need add markdown file into [src/{lang}](./src/) directory.
+
+Also, you can use [script](./scripts/new.py) to create a new markdown file.
+
+```bash
+python3 scripts/new.py
+```
+
+Write content in created markdown file, then open pull request.
+
+## Run in local
+
+If you want to preview new docs
+
+You must install [hugo][] first.
+
+```bash
+scripts/server.sh
+```
+
+[hugo]: https://gohugo.io/