Added workflows

.github/workflows/lint_clean.yaml

@@ -0,0 +1,18 @@
+name: 'Lint and Clean'
+
+on:
+  pull_request:
+
+  push:
+    branches:
+      - main
+
+jobs:
+  fmt:
+    name: Terraform FMT
+    runs-on: ubuntu-latest
+    container:
+      image: hashicorp/terraform:latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: terraform fmt --recursive --diff -check=true

.github/workflows/terraform-docs.yaml

@@ -0,0 +1,16 @@
+name: Generate terraform docs
+on:
+  - pull_request
+
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        ref: ${{ github.event.pull_request.head.ref }}
+
+    - name: Render terraform docs and push changes back to PR
+      uses: terraform-docs/gh-actions@main
+      with:
+        git-push: "true"

.github/workflows/tflint.yaml

@@ -0,0 +1,40 @@
+name: Lint
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  tflint:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    steps:
+    - uses: actions/checkout@v3
+      name: Checkout source code
+
+    - uses: actions/cache@v3
+      name: Cache plugin dir
+      with:
+        path: ~/.tflint.d/plugins
+        key: ${{ matrix.os }}-tflint-${{ hashFiles('.tflint.hcl') }}
+
+    - uses: terraform-linters/setup-tflint@v3
+      name: Setup TFLint
+      with:
+        tflint_version: v0.47.0
+
+    - name: Show version
+      run: tflint --version
+
+    - name: Init TFLint
+      run: tflint --init
+      env:
+        # https://github.com/terraform-linters/tflint/blob/master/docs/user-guide/plugins.md#avoiding-rate-limiting
+        GITHUB_TOKEN: ${{ github.token }}
+
+    - name: Run TFLint
+      run: tflint --minimum-failure-severity=error -f compact