add ci

.github/workflows/ci.yaml

@@ -0,0 +1,53 @@
+name: CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  lint-and-test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version:
+          - "1.22"
+    env:
+      GOPRIVATE: github.com/reddit/achilles-sdk-api
+
+    container:
+      image: golang:${{ matrix.go-version }}
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Workaround Git Security Warning
+        run: |
+          # Workaround a bug in github actions:
+          # https://github.com/actions/runner-images/issues/6775.
+          git config --global --add safe.directory "$GITHUB_WORKSPACE"
+
+      - name: Setup access for private Go modules
+        run: |
+          git config --global url."ssh://git@github.com/".insteadOf https://github.com/
+
+      - name: Generate
+        run: |
+          # needed for running `tar -xJv` for installing shellcheck
+          apt-get update
+          apt-get install xz-utils
+          
+          make generate
+          git status
+          git diff
+          test -z "$(git status --porcelain)"
+
+          # lint code
+          make lint
+          git status
+          git diff
+          test -z "$(git status --porcelain)"
+
+      - name: Test
+        run: make test