Add repository checkout

MuAlphaOmegaEpsilon · MuAlphaOmegaEpsilon · commit 373d15291a2a · 2019-09-13T17:52:38.000+02:00
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -6,6 +6,7 @@ jobs:
     name: GCC - Linux
     runs-on: ubuntu-latest
     steps:
+    - uses: actions/checkout@v1
     - name: Pull submodules
       run: git submodule update --init --depth 1 libs/Vulkan-Headers libs/Vulkan-Loader
       # env:
