Add workflow for ci testing

Author: johnny9

.github/workflows/ci.yml

@@ -0,0 +1,45 @@
+name: Build and Test
+
+on:
+  push:
+    branches: [ "**" ]
+  pull_request:
+    branches: [ "**" ]
+
+jobs:
+  linux:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y \
+            build-essential \
+            cmake \
+            ninja-build \
+            pkg-config \
+            libevent-dev \
+            libsqlite3-dev \
+            zlib1g-dev \
+            libboost-all-dev \
+            qt6-base-dev \
+            qt6-declarative-dev \
+            libqt6quickcontrols2-dev
+
+      - name: Configure (CMake)
+        run: |
+          cmake -S . -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_APP_TESTS=ON
+
+      - name: Build
+        run: cmake --build build --parallel
+
+      - name: Run tests
+        run: ctest --test-dir build --output-on-failure
+