Add SwiftFormat linting to github actions (#630)

.github/workflows/ci.yml

@@ -34,3 +34,15 @@ jobs:
 
       - name: Build
         run: set -o pipefail &&  xcrun xcodebuild build -project Example/QuranEngineApp.xcodeproj -scheme QuranEngineApp -sdk "iphonesimulator" -destination 'generic/platform=iOS' CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO | xcpretty
+
+  SwiftFormat:
+    runs-on: macos-13
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Setting up Xcode
+        run: sudo xcode-select -s "/Applications/Xcode_15.1.app"
+
+      - name: SwiftFormat
+        run: swift run -c release --package-path ./BuildTools swiftformat --lint .

.gitignore

@@ -27,7 +27,7 @@ DerivedData
 # Swift Package Manager. See: https://github.com/apple/swift-package-manager/blob/main/Sources/Workspace/InitPackage.swift#L381
 
  .DS_Store
-/.build
+.build
 /Packages
 xcuserdata/
 DerivedData/

BuildTools/Package.resolved

@@ -0,0 +1,14 @@
+{
+  "pins" : [
+    {
+      "identity" : "swiftformat",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/nicklockwood/SwiftFormat",
+      "state" : {
+        "revision" : "402367fbe91d6a453bc608bfc0d93b14a301a519",
+        "version" : "0.53.1"
+      }
+    }
+  ],
+  "version" : 2
+}

BuildTools/Package.swift

@@ -0,0 +1,11 @@
+// swift-tools-version:5.8
+import PackageDescription
+
+let package = Package(
+    name: "BuildTools",
+    platforms: [.macOS(.v10_13)],
+    dependencies: [
+        .package(url: "https://github.com/nicklockwood/SwiftFormat", from: "0.49.0"),
+    ],
+    targets: [.target(name: "BuildTools", path: "")]
+)