actions: various platform build workflow

.github/workflows/build.yml

@@ -0,0 +1,40 @@
+name: Various platforms (build-&-test)
+
+on:
+  push:
+    branches: 
+      - master 
+      - devel
+  pull_request:
+    branches: 
+      - master 
+      - devel
+  # allows to run the action from GitHub UI
+  workflow_dispatch:
+
+
+jobs:
+  setup:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v3
+      - name: Install dependencies 
+        run: sudo wget -O /etc/apt/trusted.gpg.d/lrde.gpg https://www.lrde.epita.fr/repo/debian.gpg
+      - run: sudo sudo sh -c "echo 'deb http://www.lrde.epita.fr/repo/debian/ unstable/' >> /etc/apt/sources.list"
+      - run: sudo apt-get update
+      - run: sudo apt-get install -y spot libspot-dev python3-spot libspot0 libspotgen0 libspotltsmin0
+      - name: Compile release
+        run: make release
+      - name: Test release
+        run: make test
+  setup:
+    runs-on: macos-15
+    steps:
+      - uses: actions/checkout@v3
+      - name: Building MacOS dependencies
+        run: brew install spot
+      - name: Compile
+        run: make release
+      - name: Test the library
+        run: make test