Added webengine initializer

ui/qt/webengine/webengine.go

@@ -0,0 +1,18 @@
+package webengine
+
+// #cgo CPPFLAGS: -I./
+// #cgo CXXFLAGS: -std=c++0x -pedantic-errors -Wall -fno-strict-aliasing
+// #cgo LDFLAGS: -lstdc++
+// #cgo pkg-config: Qt5WebEngine
+//
+// #include "cpp/webengine.h"
+import "C"
+
+import "github.com/obscuren/qml"
+
+// Initializes the WebEngine extension.
+func Initialize() {
+	qml.RunMain(func() {
+		C.webengineInitialize()
+	})
+}