add build CI

.github/workflows/build.yml

@@ -0,0 +1,35 @@
+name: Build Atmosphere
+
+on:
+  push:
+    branches:
+      - evaron-master
+    paths-ignore:
+      - 'Dockerfile'
+    # tags:
+    #   - '[0-9]+.[0-9]+.[0-9]+'
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  build:
+    name: build
+    runs-on: ubuntu-latest
+    container: ghcr.io/${{ github.repository_owner }}/devkita64-atmosphere:latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Build Atmosphere
+        run: |
+          source /opt/venv/bin/activate
+          git config --global --add safe.directory "*"
+          make
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: atmosphere-artifacts
+          path: ./out/nintendo_nx_arm64_armv8a/release/*