Create sponsors.yml (#305)

.github/workflows/sponsors.yml

@@ -0,0 +1,16 @@
+name: Generate Sponsors README
+on:
+  push:
+    branches:
+      - main
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/checkout@v2
+      - name: Generate Sponsors 💖
+        uses: JamesIves/github-sponsors-readme-action@1.0.5
+        with:
+          token: ${{ secrets.PAT }}
+          file: 'README.md'