Add CI workflow for build

Co-authored-by: Cursor <cursoragent@cursor.com>

.github/workflows/main.yml

@@ -0,0 +1,31 @@
+name: Build
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    container: devkitpro/devkitarm:latest
+
+    steps:
+      - name: Checkout latest code
+        uses: actions/checkout@v5
+        with:
+          clean: true
+          submodules: recursive
+
+      - name: Build
+        run: |
+          export DEVKITPRO=/opt/devkitpro
+          export DEVKITARM=$DEVKITPRO/devkitARM
+          make -j4 all
+        shell: bash
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: hekate
+          path: output/