Update and rename blank.yml to snake.yml

Author: Codealpha07

.github/workflows/blank.yml

@@ -0,0 +1,29 @@
+```yaml
+name: Generate Snake Animation
+
+on:
+  schedule:
+    - cron: "0 */12 * * *" # every 12 hours
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      
+      - uses: Platane/snk@master
+        id: snake-gif
+        with:
+          github_user_name: Codealpha07
+          svg_out_path: dist/github-contribution-grid-snake.svg
+          snake_color: 'blue'
+
+      - uses: crazy-max/ghaction-github-pages@v2.1.3
+        with:
+          target_branch: output
+          build_dir: dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+```