.github/workflows: Add publish challenges workflows

Signed-off-by: Stefan Jumarea <stefanjumarea02@gmail.com>

Author: StefanJum

.github/workflows/publish-hack-challenges.yml

@@ -0,0 +1,33 @@
+name: Publish Hackathon Registration Challenges
+
+on:
+  push:
+    tags:
+    -  'hack*'
+
+permissions:
+  contents: write
+
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  zip-files:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: vimtor/action-zip@v1
+        with:
+          files: content/en/community/hackathons/usoc23/registration-challenges/work/
+          recursive: true
+          dest: hack-registration.zip
+      - uses: actions/upload-artifact@v1
+        with:
+          name: my-artifact
+          path: ${{ github.workspace }}/hack-registration.zip
+      - name: Release with Notes
+        uses: softprops/action-gh-release@v1
+        with:
+          files: ${{ github.workspace }}/hack-registration.zip
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}