Ultrono Arena Windows client

Build ref: 90e0143caeb4b9dc2a9c2a4b95fe640748048a00
Audio enabled through miniaudio.
Historical missing map texture references:
- tex/forest.jpg
- tex/green.jpg
- tex/relax.jpg
- tex/sky.jpg
- tex/space.jpg
- tex/white.jpg
These assets were never checked into the repository; the client renders those surfaces untextured if encountered.

Run uacl.exe from this directory so the client can find map, tex, and font assets.
