CI/CD: clang-format and make

Use Github actions to automatically test compile and check code formatting for every pull requests and pushes.

Signed-off-by: Cheng Ho Ming <eric310@connect.hku.hk>

.github/workflows/clang-format.yml

@@ -0,0 +1,13 @@
+name: clang-format
+
+on: [push, pull_request]
+
+jobs:
+  cpp-formatting-check:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+    - uses: actions/checkout@v3
+    - name: Run clang-format
+      run: |
+        clang-format --dry-run -style=google $(find . -name '*.cpp' -or -name '*.h')

.github/workflows/make.yml

@@ -0,0 +1,23 @@
+name: Make
+
+on: [push, pull_request]
+
+jobs:
+  Make:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+    - name: Make
+      run: |
+        make clean
+        make
+    - name: Upload executable
+      uses: actions/upload-artifact@v4
+      with:
+        # suppose we compiled our game and named it 'stocksim'
+        name: stocksim
+        path: stocksim
+        compression-level: 9
+        retention-days: 90
+        if-no-files-found: error