Add build workflow for CI/CD

Co-authored-by: squassina <8495707+squassina@users.noreply.github.com>

.github/workflows/build.yml

@@ -0,0 +1,73 @@
+name: Build
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y \
+            meson \
+            ninja-build \
+            wayland-protocols \
+            libwayland-dev \
+            libinput-dev \
+            libxkbcommon-dev \
+            libpcre2-dev \
+            libpixman-1-dev \
+            libdrm-dev \
+            libxcb1-dev \
+            libxcb-icccm4-dev \
+            xwayland \
+            hwdata \
+            libliftoff-dev \
+            libdisplay-info-dev \
+            libseat-dev \
+            pkg-config
+
+      - name: Install wlroots 0.19
+        run: |
+          # Install wlroots 0.19 from source since it may not be in apt
+          git clone https://gitlab.freedesktop.org/wlroots/wlroots.git
+          cd wlroots
+          git checkout 0.19.0
+          meson setup build/ --prefix=/usr
+          sudo ninja -C build/ install
+          sudo ldconfig
+          cd ..
+
+      - name: Install scenefx 0.4
+        run: |
+          # Install scenefx from source
+          git clone -b 0.4.1 https://github.com/wlrfx/scenefx.git
+          cd scenefx
+          meson setup build/ --prefix=/usr
+          sudo ninja -C build/ install
+          sudo ldconfig
+          cd ..
+
+      - name: Configure meson
+        run: |
+          meson setup build/ --prefix=/usr
+
+      - name: Build project
+        run: |
+          ninja -C build/
+
+      - name: Build summary
+        run: |
+          echo "✅ Build completed successfully!"
+          echo "Built executables:"
+          ls -lh build/mango build/mmsg