Added mirror

.github/workflows/main.yml

@@ -0,0 +1,17 @@
+name: Workflow
+
+on: [push]
+
+jobs:
+  mirror:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+
+    - uses: yesolutions/mirror-action@master
+      with:
+        REMOTE: 'https://git.popov.link/moodle/tool_apisiteadmins.git'
+        GIT_USERNAME: ${{ secrets.GIT_USERNAME }}
+        GIT_PASSWORD: ${{ secrets.GIT_PASSWORD }}