v0.1.0

= 0.1.0 =

• Add: VideoMuxr Video block — upload video directly in the block editor, transcoded by Mux and played via <mux-player> on the front end.
• Add: REST API (videomuxr/v1) for direct upload, status polling, and asset deletion.
• Add: Settings → VideoMuxr page for Mux Token ID and Token Secret.
• Add: Public helper functions videomuxr_is_configured(), videomuxr_get_playback_id(), and videomuxr_get_player_html().
• Add: Automatic Mux asset deletion when a post is permanently deleted.
• Change: Front-end player uses each video's real aspect ratio reported by Mux, preventing layout shift on load.