docs: add vercel deployment button

README.md

@@ -82,6 +82,8 @@
 - [Installation](#installation)
   - [Local](#local)
   - [Docker](#docker)
+- [Host your instance](#host-your-instance)
+  - [Vercel](#vercel)
 - [Documentation](#documentation)
   - [GET Anime Home Page](#get-anime-home-page)
   - [GET Anime About Info](#get-anime-about-info)
@@ -138,6 +140,16 @@ The above command will start the server on port 4000. You can access the server
 
 You can also add the `-d` flag to run the container in detached mode.
 
+## <span id="host-your-instance">⛅ Host your instance</span>
+
+### Vercel
+
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https://github.com/ghoshRitesh12/aniwatch-api)
+
+> [!NOTE]
+>
+> When deploying to vercel, set an env named `IS_VERCEL_DEPLOYMENT` to `true` or anything, but this env should be present.
+
 ## <span id="documentation">📚 Documentation</span>
 
 The endpoints exposed by the api are listed below with examples that uses the [Fetch API](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API), but you can use any http library.