Formatting, linting, and hopefully a CI build.

.github/workflows/macos.yml

@@ -0,0 +1,31 @@
+name: macOS
+on: [push]
+jobs:
+  build:
+    runs-on: macos-12
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+      - name: Build Executable
+        run: swift build -c release --arch arm64 --arch x86_64
+      - name: Copy Executable
+        run: cp .build/apple/Products/Release/StableDiffusionServer StableDiffusionServer
+      - name: Archive Executable
+        uses: actions/upload-artifact@v2
+        with:
+          name: StableDiffusionServer
+          path: StableDiffusionServer
+  format:
+    runs-on: macos-12
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+      - name: Swift Format
+        run: swiftformat --lint Package.swift Sources
+  lint:
+    runs-on: macos-12
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+      - name: Swift Lint
+        run: swiftlint Package.swift Sources