Merge pull request #13 from sor4chi/feat/add-docs

docs: add usage description

README.md

@@ -8,3 +8,36 @@ Hono DO is a wrapper of [Cloudflare Workers](https://workers.cloudflare.com/) '
 ```bash
 $ npm install hono-do
 ```
+
+## Usage
+
+```typescript
+export const Counter = generateHonoObject("/counter", async (app, state) => {
+  const { storage } = state;
+  let value = (await storage.get<number>("value")) ?? 0;
+
+  app.post("/increment", (c) => {
+    storage.put("value", value++);
+    return c.text(value.toString());
+  });
+
+  app.post("/decrement", (c) => {
+    storage.put("value", value--);
+    return c.text(value.toString());
+  });
+
+  app.get("/", (c) => {
+    return c.text(value.toString());
+  });
+});
+```
+
+You want to find more? Check out the [examples](./examples)!
+
+## License
+
+[MIT](./LICENSE)
+
+## Contributing
+
+This project is open for contributions. Feel free to open an issue or a pull request!