Added actions

Author: elgatito

.github/workflows/build.yml

@@ -0,0 +1,39 @@
+name: build
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+  create:
+    tags:
+      - v*
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      max-parallel: 5
+      matrix:
+        platform: [
+          android-arm, android-arm64, android-x64, android-x86, 
+          darwin-x64, darwin-x86, 
+          linux-armv6, linux-armv7, linux-armv7_softfp, linux-arm64, linux-x64, linux-x86,
+          windows-x64, windows-x86 ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Build ${{ matrix.platform }} docker image
+        shell: bash
+        run: |
+          make ${{ matrix.platform }}
+
+      - name: Publish ${{ matrix.platform }} docker image
+        if: success() && github.event_name == 'create' && startsWith(github.ref, 'refs/tags/')
+        shell: bash
+        run: |
+          docker login -u="${{ secrets.DOCKER_USERNAME }}" -p="${{ secrets.DOCKER_PASSWORD }}"
+          make push-${{ matrix.platform }}