feat: Caching docker images github actions

.github/.build-caching/README.md

@@ -0,0 +1,3 @@
+# Build caching
+
+Here go all the cached builds that github actions require

.github/workflows/clang-format.yml

@@ -20,6 +20,13 @@ jobs:
       - name: Set up Clang-Format
         run: sudo apt-get install -y clang-format
 
+      - name: Cache clang image
+        id: cache-clang-formatter
+        uses: actions/cache@v4
+        with:
+          path: .github/build-caching
+          key: ${{ runner.os }}-clang-formatter
+
       - name: Format source code
         run: clang-format -i game/**/*.cpp game/**/*.hpp --ferror-limit=0 --style file:.clang-format --verbose
 

.github/workflows/pull_request_checks.yml

@@ -16,6 +16,12 @@ jobs:
       uses: actions/checkout@v3
     - name: Build docker image
       run: docker-compose build
+    - name: Cache project dependencies image
+      id: cache-project-dependencies
+      uses: actions/cache@v4
+      with:
+        path: .github/build-caching
+        key: ${{ runner.os }}-project-dependencies
     - name: Run tests
       run: docker-compose run test