feat: add readme

Author: sanyuan0704

README.md

@@ -0,0 +1,10 @@
+# 基于 React 的 Islands 架构实现
+
+启动方式:
+
+```ts
+pnpm install
+pnpm start:demo
+```
+
+访问地址: http://localhost:3000/routes/index

package.json

@@ -23,6 +23,7 @@
     "@types/koa-router": "^7.4.4",
     "@types/react": "^18.0.17",
     "@types/react-dom": "^18.0.6",
+    "tsx": "^3.8.2",
     "typescript": "^4.7.4"
   }
 }

playground/package.json

@@ -10,7 +10,5 @@
   "keywords": [],
   "author": "",
   "license": "ISC",
-  "devDependencies": {
-    "tsx": "^3.8.2"
-  }
+  "devDependencies": {}
 }