build: change to xmake mgr.

Gui/xmake.lua

@@ -0,0 +1,28 @@
+add_rules("mode.debug", "mode.release")
+
+target("frelayGUI")
+    add_rules("qt.widgetapp")
+    add_defines("QAPPLICATION_CLASS=QApplication")
+    add_includedirs(".", {public = true})
+    add_files("Control/*.h")
+    add_files("Form/*.h")
+    add_files("GuiUtil/*.h")
+    add_files("Control/*.cpp")
+    add_files("Control/*.ui")
+    add_files("Form/*.cpp")
+    add_files("Form/*.ui")
+    add_files("GuiUtil/*.cpp")
+    add_files("*.cpp")
+    add_files("*.ui")
+    add_files("*.h")
+    add_files("../Res/frelay.qrc")
+    add_files("../Res/ico.rc")
+    add_frameworks("QtCore")
+    add_frameworks("QtGui")
+    add_frameworks("QtNetwork")
+    add_deps("Struct")
+    add_deps("Protocol")
+    add_deps("Util")
+    add_deps("ClientCore")
+    add_deps("SingleApplication")
+    add_deps("crashelper")