chore(readme): add sponsors

.github/workflows/sponsors.yml

@@ -0,0 +1,19 @@
+name: Generate Sponsors README
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: 30 15 * * 0-6
+permissions:
+  contents: write
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/checkout@v2
+
+      - name: Generate Sponsors 💖
+        uses: JamesIves/github-sponsors-readme-action@v1
+        with:
+          token: ${{ secrets.PAT }}
+          file: 'README.md'

README.md

@@ -60,6 +60,12 @@ please select the package link from below.
 
 - [Quick Start](https://rnkakao.dev)
 
+## Sponsors
+
+These are our really cool sponsors!
+
+<!-- sponsors --><!-- sponsors -->
+
 ## Contributing
 
 - [Contributing](https://github.com/mym0404/react-native-kakao/blob/main/CONTRIBUTING.md)