update readme

README.md

@@ -1,3 +1,35 @@
 # documents
 
-协会文档
+Documents for nbtca.
+
+## How to use
+
+### Install dependencies
+
+1. Install Node.js
+2. Install pnpm
+   ```bash
+   npm install -g pnpm
+   ```
+3. Install dependencies
+   ```bash
+    pnpm install
+   ```
+
+### Start development server
+
+```bash
+pnpm docs:dev
+```
+
+### Build for production
+
+```bash
+pnpm docs:build
+```
+
+### Lint code
+
+```bash
+pnpm lint
+```