MPX Downloader v1.0.0 -- First Official Release

This is the first official release of MPX Downloader.
It includes a fully packaged Windows EXE with MP3/MP4 download support, built‑in yt‑dlp updating, and a clean, user‑friendly GUI.
All required binaries (yt-dlp, ffmpeg, ffprobe) are bundled for a seamless, no‑setup experience.