feat(plugins): add nginx plugin (#122)

Docker and Docker Swarm mode are supported
Kubernetes is not supported yet

.github/workflows/plugins.yml

@@ -80,4 +80,39 @@ jobs:
         run: docker load --input /tmp/sablier.tar
 
       - name: Test ${{ matrix.provider }}
-        run: cd plugins/traefik/e2e && bash ./${{ matrix.provider }}.sh
+        run: cd plugins/traefik/e2e && bash ./${{ matrix.provider }}.sh
+
+  nginx_e2e:
+    name: Run Sablier E2E tests for Nginx NJS module with Sablier
+    runs-on: ubuntu-latest
+    needs: build
+    strategy:
+      fail-fast: false
+      matrix:
+        provider: [docker_classic, docker_swarm, kubernetes]
+    steps:
+      - name: Set up Go 1.18
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.18
+
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Download artifact
+        uses: actions/download-artifact@v2
+        with:
+          name: sablier-image-tar
+          path: /tmp
+          
+      - name: Load Docker image
+        run: docker load --input /tmp/sablier.tar
+
+      - name: Test ${{ matrix.provider }}
+        run: cd plugins/nginx/e2e && bash ./${{ matrix.provider }}.sh