create github workflows

.github/workflows/fmt.yml

@@ -0,0 +1,36 @@
+name: Rust fmt
+
+on:
+  push:
+    branches: [ main ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  fmt:
+
+  runs-on: ubuntu-latest
+
+  steps:
+    - uses: actions/checkout@v2
+
+    - name: Setup GIT
+      run: |
+        git config --global user.name "MedzikUserBot"
+        git config --global user.email "rm99iv9s@duck.com"
+
+    - name: Lint
+      run: cargo fmt
+
+    - name: Push changes
+      run: |
+        git pull -r
+        git add .
+        git diff-index --quiet HEAD || git commit -m "rustfmt"
+
+    - name: Push changes
+      uses: ad-m/github-push-action@b007e7b818e33b04afd056e4c4b57ba917145d7a
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        branch: 'main'