An experimental share extension to send files and too much refactoring

closes #4

ShareExtension/DeviceListCell.swift

@@ -0,0 +1,26 @@
+//
+//  DeviceListCell.swift
+//  ShareExtension
+//
+//  Created by Grishka on 20.09.2023.
+//
+
+import Cocoa
+
+class DeviceListCell:NSCollectionViewItem {
+	public var clickHandler:(()->Void)?
+	
+    override func viewDidLoad() {
+        super.viewDidLoad()
+		let btn:NSButton=view as! NSButton
+		btn.isEnabled=true
+		btn.setButtonType(.momentaryPushIn)
+		btn.action=#selector(onClick)
+		btn.target=self
+    }
+	
+	@IBAction func onClick(_ sender:Any?){
+		guard let handler=clickHandler else {return}
+		handler()
+	}
+}