Support all special ID3v2 frames

[Serial-ATA]

Native frames

• [ ] AENC Audio encryption
• [X] APIC Attached picture
• [ ] ASPI Audio seek point index
• [X] COMM Comments
• [ ] COMR Commercial frame
• [ ] ENCR Encryption method registration
• [ ] EQU2 Equalisation (2)
• [x] ETCO Event timing codes
• [X] GEOB General encapsulated object
• [ ] GRID Group identification registration
• [ ] LINK Linked information
• [X] MCDI Music CD identifier (Just a binary frame, no extra support needed)
• [ ] MLLT MPEG location lookup table
• [x] OWNE Ownership frame
• [x] PRIV Private frame
• [ ] PCNT Play counter
• [X] POPM Popularimeter
• [ ] POSS Position synchronisation frame
• [ ] RBUF Recommended buffer size
• [x] RVA2 Relative volume adjustment (2)
• [ ] RVRB Reverb
• [ ] SEEK Seek frame
• [ ] SIGN Signature frame
• [X] SYLT Synchronised lyric/text
• [ ] SYTC Synchronised tempo codes

Addendums

• ID3v2 Accessibility 1.0
  • [X] ATXT
• ID3v2 Chapters 1.0
  • [ ] CHAP
  • [ ] CTOC