Add instructions on how to prepare cloned repo to build using Visual Studio

[nanosonde]

1. Checkout repo recursively:
   git clone https://github.com/TerryHuangHD/AltServerPlus-Windows.git --recursive

2. Install and bootstrap VCPKG
   vcpkg integrate install

3. with vckpg install the following packages:
   vckpg install cpprestsdk dirent

4. Copy Bonjour SDK from here (or download and install from Apple) to C:\Program files\Bonjour SDK

5. Goto AltServerPlus-Windows\Dependencies\libimobiledevice-vs and run
   get-source.cmd

6. Open Visual Studio and fix paths in AltServerPlus-Windows\AltServer\Resources.rc:
   IMG_APPICON and IMG_MENUBAR.

7. Open Visual Studio and fix project ldid: disable option "Use Autolink" in vcpkg config. Does not work with clang. See docs.

8. Open Visual Studio and build:

   1. plist
   2. ldid
   3. imobiledevice
   4. usbmuxd
   5. AltSign
   6. AltServer

9. Done. ;-)