add automatic sponsor list in README (#117)

Author: hitman99

.github/workflows/sponsors.yml

@@ -0,0 +1,23 @@
+name: Generate Sponsors README
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: 30 15 * * 0-6
+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.SPONSORS_PAT }}
+          file: 'README.md'
+
+      - name: Deploy to GitHub Pages 🚀
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          branch: master
+          folder: '.'

README.md

@@ -21,12 +21,18 @@ helm upgrade --install -n operators ext-postgres-operator  ext-postgres-operator
 ```
 
 ----------------------------------------------------------
-
+## Sponsors
 
 Please consider sponsoring my work
-<!-- Place this tag where you want the button to render. -->
+
 <a class="github-button" href="https://github.com/sponsors/hitman99" data-icon="octicon-heart" data-size="large" aria-label="Sponsor @hitman99 on GitHub">Sponsor</a>
 
+<p align="center">
+Current sponsors:
+
+<!-- sponsors --><!-- sponsors -->
+</p>
+
 ## Features
 
 * Creates a database from a CR