update readme workflow

.github/workflows/sponsors.yml

@@ -0,0 +1,28 @@
+name: Generate Sponsors README
+on:
+  workflow_dispatch:
+  schedule:
+    # This is a cron schedule, it will run every day at 15:30.
+    - cron: 30 15 1,15 * *
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      # Checkout the repository
+      - name: Checkout 🛎️
+        uses: actions/checkout@v2
+
+      # Generate the sponsors
+      - name: Generate Sponsors 💖
+        uses: JamesIves/github-sponsors-readme-action@v1
+        with:
+          token: ${{ secrets.SECRET_SPONSORS_README }}
+          file: 'README.md'
+
+      # Deploy the changes back to the main branch of the repository
+      - name: Deploy to GitHub Pages 🚀
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          branch: main
+          # As we're deploying changes to our markdown files, this needs to be . to push the root directory back to the repository.
+          folder: '.'

README.md

@@ -50,3 +50,4 @@ https://github.com/tainicom/Aether.Physics2D/releases/tag/v1.7
 While Aether.Physics2D is free and open-source, maintaining and expanding the library requires ongoing effort and resources. We rely on the support of our community to continue delivering top-notch updates, features, and support.
 By [becoming a Sponsor](https://github.com/sponsors/nkast), you can directly contribute to the growth and sustainability of Aether.Physics2D. 
 
+<!-- sponsors --><!-- sponsors -->