Add CI for Linux

.github/workflows/linux_build.yml

@@ -0,0 +1,97 @@
+name: 🐧 Linux Builds
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  build-linux:
+    runs-on: ubuntu-24.04
+
+    steps:
+      - name: Checkout Source Code
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set up Clang Compiler
+        uses: egor-tensin/setup-clang@v1
+        with:
+          version: 20
+
+      - name: Install System Dependencies
+        run: |
+          wget https://github.com/Kitware/CMake/releases/download/v4.3.0/cmake-4.3.0-linux-x86_64.tar.gz
+          tar -xzf cmake-4.3.0-linux-x86_64.tar.gz
+          echo "$(pwd)/cmake-4.3.0-linux-x86_64/bin" >> $GITHUB_PATH
+
+          sudo apt-get update
+          sudo apt-get install -y \
+            ninja-build \
+            ccache \
+            llvm-20 \
+            llvm-20-tools \
+            clang-tools-20 \
+            libc++-20-dev \
+            libc++abi-20-dev \
+            libgl1-mesa-dev \
+            libegl1-mesa-dev \
+            libwayland-egl1-mesa \
+            libasound2-dev \
+            libpulse-dev \
+            libwayland-dev \
+            libx11-dev \
+            libxext-dev \
+            libxrender-dev \
+            libxrandr-dev \
+            libxinerama-dev \
+            libxcursor-dev \
+            libxi-dev \
+            libxtst-dev
+          echo "/usr/lib/llvm-20/bin" >> $GITHUB_PATH
+
+      - name: Verify LLVM Toolchain
+        run: |
+          which clang
+          which clang++
+          which clang-scan-deps
+          clang --version
+          clang++ --version
+          clang-scan-deps --version
+
+      - name: Cache Build Artifacts
+        uses: hendrikmuhs/ccache-action@v1.2
+        with:
+          key: ${{ runner.os }}-ccache-${{ hashFiles('**/CMakeLists.txt', '**/*.cmake') }}
+          restore-keys: |
+            ${{ runner.os }}-ccache-
+          max-size: "500M"
+
+      - name: Configure Build System
+        run: |
+          cmake --preset debug \
+            -B build/debug \
+            -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+            -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
+            -DCMAKE_BUILD_WITH_INSTALL_RPATH=TRUE \
+            -DCMAKE_INSTALL_RPATH="\$ORIGIN:\$ORIGIN/engine/native"
+
+      - name: Compile Target Binary
+        run: |
+          cmake --build build/debug -j$(nproc)
+
+      - name: Run Unit Tests
+        run: |
+          ctest --test-dir build/debug --output-on-failure -j$(nproc)
+
+      - name: Upload Engine Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: linux_debug
+          path: build/debug/
+          if-no-files-found: error
+          retention-days: 7