NVDA Remote dependency: Bundle url_handler.exe in NVDA

[seanbudd]

Detailed description of the issue

url_handler is a component used by TeleNVDA and NVDARemote. https://github.com/NVDARemote/NVDARemote/blob/master/addon/globalPlugins/remoteClient/url_handler.cpp

VirusTotal detects this as a virus: https://www.virustotal.com/gui/file/58313ee1542ace3e878be617a0ec41fd74ad341a21cb7104a474c8888298851e/detection https://github.com/NVDARemote/NVDARemote/issues/129

With the goal of eventually including NVDA Remote's features in NVDA core, bundling this exe into NVDA will help unflag this detection, and pave the way for further remote support in NVDA