Unify CI config into 1 file

.github/workflows/ci.yml

@@ -0,0 +1,34 @@
+name: CI
+
+on: [push]
+
+jobs:
+  ansible:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+      - uses: actions/cache@v1
+        with:
+          path: ~/.cache/pip
+          key: pip-${{ hashFiles('requirements.txt') }}-${{ hashFiles('dev-requirements.txt') }}
+      - name: Install dependencies
+        run: ./scripts/ansible/setup.sh
+      - name: Run linters
+        run: ./scripts/ansible/lint.sh
+
+  terraform:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: Install terraform
+        uses: marocchino/setup-terraform@v1
+        with:
+          version: "0.12.20"
+      - name: Initialize Terraform
+        run: ./scripts/terraform/terraform.sh init -backend=false
+      - name: Lint
+        run: ./scripts/terraform/lint.sh