ci: format check

.github/workflows/build.yml

@@ -20,9 +20,11 @@ jobs:
       with:
         version: master
 
+    - name: Check formatting
+      run: zig fmt --check .
+
     - name: Test
-      run: |
-        zig build test
+      run: zig build test
 
     - name: Fetch latest Vulkan SDK
       run: |
@@ -32,12 +34,10 @@ jobs:
         sudo apt install shaderc libglfw3 libglfw3-dev
 
     - name: Fetch latest vk.xml
-      run: |
-        wget https://raw.githubusercontent.com/KhronosGroup/Vulkan-Docs/main/xml/vk.xml
+      run: wget https://raw.githubusercontent.com/KhronosGroup/Vulkan-Docs/main/xml/vk.xml
 
     - name: Build with latest zig & vk.xml
-      run: |
-        zig build -Dexample-registry=./vk.xml
+      run: zig build -Dexample-registry=./vk.xml
 
     - name: Archive vk.zig
       uses: actions/upload-artifact@v2