add linting workflows

.github/workflows/lint.yml

@@ -0,0 +1,61 @@
+name: Lint Code Base
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    name: Lint
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+
+    steps:
+    # Checkout the repository
+    - name: Checkout Repository
+      uses: actions/checkout@v2
+
+    # Setup Python
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+
+    # Lint Python files
+    - name: Lint Python
+      run: |
+        pip install flake8
+        # Stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # Exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+
+    # Setup Node.js for JavaScript and TypeScript
+    - name: Set up Node.js
+      uses: actions/setup-node@v2
+      with:
+        node-version: '14'
+
+    # Lint JavaScript files
+    - name: Lint JavaScript
+      run: |
+        npm install
+        npm run lint
+
+    # Lint TypeScript files
+    - name: Lint TypeScript
+      run: |
+        npm install
+        npm run lint
+
+    # Setup Rust
+    - name: Set up Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+        override: true
+
+    # Lint Rust files
+    - name: Lint Rust
+      run: |
+        cd Day*/rust
+        cargo clippy -- -D warnings