Added GitHub actions

.flake8

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+[flake8]
+ignore = E501

.github/workflows/auth.yml

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+name: auth
+
+on:
+  push:
+    paths:
+    - 'auth/**.py'
+  pull_request:
+    paths:
+    - 'auth/**.py'
+
+jobs:
+  flake8:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out source repository
+      uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.11
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install flake8
+
+    - name: Lint with flake8
+      run: |
+        flake8 auth/*.py
+
+  bandit:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out source repository
+      uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.11
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install bandit
+
+    - name: Run bandit
+      run: |
+        bandit -r auth/*.py || true
+
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out source repository
+      uses: actions/checkout@v2
+
+    - name: Log in to Docker Hub
+      uses: docker/login-action@v3
+      with:
+        username: chelsea486mhz
+        password: ${{ secrets.DOCKER_HUB_TOKEN }}
+
+    - name: Build and push Docker image
+      uses: docker/build-push-action@v5
+      with:
+        context: "{{defaultContext}}:auth"
+        push: true
+        tags: chelsea486mhz/stargazer-auth:latest