Attempt to create a CI

.github/workflows/ci.yaml

@@ -0,0 +1,33 @@
+# Copyright © SixtyFPS GmbH <[email protected]>
+# SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0
+
+name: CI
+
+on:
+    workflow_dispatch:
+    workflow_call:
+
+jobs:
+    build:
+        strategy:
+            matrix:
+                os: [ubuntu-20.04, macOS-12, windows-2022]
+                board: [stm32h735g-dk, stm32h747i-disco]
+
+        runs-on: ${{ matrix.os }}
+        steps:
+            - uses: actions/checkout@v4          
+              with:
+                sparse-checkout: ${{ matrix.board }}
+            - name: Install GNU Arm Embedded Toolchain
+              uses: carlosperate/arm-none-eabi-gcc-action@v1
+              with:
+                release: '13.3.Rel1'
+            - name: CMake configure
+              working-directory: ${{ matrix.board }}
+              run: |
+                  cmake --preset Debug
+            - name: CMake build
+              working-directory: ${{ matrix.board }}
+              run: |
+                  cmake --build --preset Debug