build: add CI

.github/workflows/main.yml

@@ -0,0 +1,29 @@
+name: Debian Sysroot Image
+
+on: push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+
+    strategy:
+      matrix:
+        arch: ['arm64', 'armhf', 'armel', 'amd64', 'i386']
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Install Deps
+      run: sudo apt install -y binutils-arm-linux-gnueabi binutils-arm-linux-gnueabihf binutils-mips64el-linux-gnuabi64 binutils-mipsel-linux-gnu
+
+    - name: Build
+      run: ./build/linux/sysroot_scripts/sysroot-creator.sh build ${{ matrix.arch }}
+
+    - name: Release
+      uses: softprops/[email protected]
+      if: startsWith(github.ref, 'refs/tags/')
+      with:
+        draft: true
+        files: out/sysroot-build/bullseye/*_sysroot.tar.xz