Ajay prefix hotfix 6 for winlator

🔥Ajay prefix hotfix 6 for winlator

- updated install prefix bat and added install start menu bat, in case you don't want to install prefix.
- added custom gray theme , need restart of current container
- added "install necessary files.bat"
- updated prefix installation video

Note - remove old prefix from the download/winlator folder


https://mega.nz/file/SqozEK4A#5ajgvcj5u1ZIhOK4pGf5FFb16exHCkjLecwnRtrAzDQ