feat: add basic github CI

.github/workflows/werf.yml

@@ -0,0 +1,51 @@
+name: CI Workflow (werf)
+
+on:
+  push:
+    branches:
+      - ci/werf
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Login to Docker Hub
+      uses: docker/login-action@v3
+      with:
+        username: ${{ secrets.DOCKER_HUB_USERNAME }}
+        password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    # this might not be needed anymore
+    - name: Enable BuildKit
+      run: echo "DOCKER_BUILDKIT=1" >> $GITHUB_ENV
+
+    - name: Install asdf
+      uses: asdf-vm/actions/[email protected]
+
+    - name: Install asdf plugins & packages
+      run: |
+        asdf plugin add werf https://github.com/MxNxPx/asdf-werf.git
+        asdf plugin update --all
+        asdf install
+
+    - name: Provision kind Kubernetes cluster
+      run: |
+        curl -Lo /tmp/kind https://kind.sigs.k8s.io/dl/v0.20.0/kind-linux-amd64
+        chmod +x /tmp/kind
+        /tmp/kind create cluster
+
+    - name: Run make ci
+      run: |
+        source "$(werf ci-env github --as-file)"
+        make ci
+      env:
+        WERF_ENV: demo