Added a switch workflow

.github/workflows/switch.yml

@@ -0,0 +1,40 @@
+name: Switch Validation
+
+on:
+  pull_request:
+    branches: [ "*" ]
+
+jobs:
+  build-switch:
+    runs-on: ubuntu-latest
+    container:
+      image: devkitpro/devkita64:20241023
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y ninja-build
+          sudo apt-get remove -y cmake
+          git -C libultraship remote add nx https://github.com/Net64DD/libultraship.git
+          git -C libultraship fetch nx
+          git -C libultraship checkout nx/main-nx
+          wget https://github.com/Kitware/CMake/releases/download/v3.28.3/cmake-3.28.3-linux-x86_64.sh -O /tmp/cmake.sh
+          sudo sh /tmp/cmake.sh --prefix=/usr/local/ --exclude-subdir
+          cmake -H. -Bbuild-switch -GNinja -DCMAKE_TOOLCHAIN_FILE=/opt/devkitpro/cmake/Switch.cmake
+          cmake --build build-switch --config Release -j3
+          wget -O gamecontrollerdb.txt https://github.com/mdqinc/SDL_GameControllerDB/blob/master/gamecontrollerdb.txt
+          mv README.md readme.txt
+          mv build-switch/*.nro Starship.nro
+      - name: Upload build
+        uses: actions/upload-artifact@v4
+        with:
+          name: Starship-switch
+          retention-days: 1
+          path: |
+            Starship.nro
+            config.yml
+            assets
+            gamecontrollerdb.txt