add swiftlint workflow

Author: lukepistrol

.github/workflows/build.yml

@@ -2,6 +2,9 @@ name: Build
 on:
   workflow_dispatch:
   workflow_call:
+  push:
+    branches:
+      - main
   pull_request:
     branches:
       - main
@@ -15,4 +18,4 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Building
-        run: swift build -c release --arch arm64 --arch x86_64
+        run: swift build -c release --arch arm64 --arch x86_64

.github/workflows/swiftlint.yml

@@ -0,0 +1,18 @@
+name: SwiftLint
+on:
+  workflow_call:
+  push:
+    branches:
+      - 'main'
+  pull_request:
+    branches:
+      - 'main'
+jobs:
+  SwiftLint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: GitHub Action for SwiftLint with --strict
+        uses: norio-nomura/[email protected]
+        with:
+          args: --strict