ground_suite: init template layout

Signed-off-by: Onur Özkan <work@onurozkan.dev>

ground_suite/macos/Runner/MainFlutterWindow.swift

@@ -0,0 +1,16 @@
+import Cocoa
+import FlutterMacOS
+
+class MainFlutterWindow: NSWindow {
+  override func awakeFromNib() {
+    let flutterViewController = FlutterViewController()
+    let windowFrame = self.frame
+    self.contentViewController = flutterViewController
+    self.setFrame(windowFrame, display: true)
+
+    RegisterGeneratedPlugins(registry: flutterViewController)
+
+    super.awakeFromNib()
+    self.title = "Kaptan Ground Suite"
+  }
+}