add clipboard and share functions

clipboard-widget.lua

@@ -0,0 +1,9 @@
+-- name = "Clipboard"
+-- description = "Shows current Clipboard contents"
+-- type = "widget"
+-- author = "Evgeny Zobnin (zobnin@gmail.com)"
+-- version = "1.0"
+
+function on_resume()
+    ui:show_text(system:get_from_clipboard())
+end