Add Dotfiles by simoz

Adds “Dotfiles” by simoz to Omarchy Radio with the original MP3 and a playlist entry. Includes the lyrics embedded in the supplied MP3 as a plain-text LRC sheet for the player.

Generated with Suno, as recorded in the MP3 metadata. The audio is unchanged and under 10 MB.

Validation: npm test passes, including the build and route checks.