docs: update readme

README.md

@@ -1,10 +1,33 @@
-# theme-earth
+# Earth
 
-Default theme for Halo 2.0(WIP)
+Halo 2.0 的默认主题。
 
-## Build theme
+主题开发文档可查阅：<https://docs.halo.run/2.0.0-SNAPSHOT/developer-guide/theme/prepare>
 
-> If you are using Windows OS, please install `make` command and execute `make` in Git Bash or WSL.
+## 开发
 
-- Execute command `make build` to generate dist folder
-- Zip the dist folder and upload to your Halo
+```bash
+git clone git@github.com:halo-dev/theme-earth.git ~/halo2-dev/themes/theme-earth
+```
+
+```bash
+cd ~/halo2-dev/themes/theme-earth
+```
+
+```bash
+pnpm install 
+```
+
+```bash
+pnpm dev
+```
+
+## 构建
+
+> 如果你使用的是 Windows 操作系统，请安装 `make` 命令并在 Git Bash 或 WSL 中执行。
+
+```bash
+make build
+```
+
+然后将 `dist` 目录压缩成 `ZIP` 格式压缩包即可在 Halo 后台上传安装。