rust lint action (#77)

.github/workflows/rust-lint.yml

@@ -0,0 +1,27 @@
+name: clippy-action
+on: [pull_request]
+jobs:
+  clippy:
+    permissions:
+      checks: write
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout
+      uses: actions/checkout@v3
+      with:
+        submodules: recursive
+        token: ${{ secrets.SUBMODULE_CHECKOUT }}
+
+    - uses: dtolnay/rust-toolchain@stable
+      with:
+        components: clippy
+
+    - uses: giraffate/clippy-action@v1
+      with:
+        reporter: 'github-pr-review'
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        workdir: ./nexus
+      env:
+        REVIEWDOG_TOKEN: ${{ secrets.REVIEWDOG_TOKEN }}