chore: add GitHub Actions for stremio-web

Automatic build and publish docker image

.github/workflows/stremio-web.publish.yml

@@ -0,0 +1,44 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# GitHub recommends pinning actions to a commit SHA.
+# To get a newer version, you will need to update the SHA.
+# You can also reference a tag or branch, but the action may change without warning.
+
+name: Publish Stremio Docker Image
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  push_to_registry:
+    if: "contains(github.event.head_commit.message, 'stremio')"
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: stremio-web/
+          platforms: linux/amd64,linux/arm64,linux/arm/v8,linux/arm/v7,linux/arm/v6
+          push: true
+          tags: n0bodysec/stremio:latest