Update README and FEATURES.md for v0.10.4 DVD support

FEATURES.md

@@ -1,6 +1,6 @@
 # libfreemkv — Feature List
 
-## v0.7.1 (current)
+## v0.10.4 (current)
 
 ### Done
 - [x] Drive access: open, identify, unlock, firmware upload, speed calibration, eject
@@ -11,13 +11,18 @@
 - [x] CLPI clip info parser (EP map, sector extents)
 - [x] AACS 1.0 decryption (4 VUK paths: KEYDB, media key, processing key, device key)
 - [x] AACS 2.0 SCSI handshake (P-256/SHA-256 ECDH, bus decryption, read data key)
+- [x] DVD IFO parser (VMG, VTS, PGC chains, cell addresses)
+- [x] DVD CSS decryption (bus auth, disc key via player keys, title key, sector descramble)
+- [x] CSS Stevenson plaintext attack for ISO key recovery
+- [x] MPEG-2 PS demuxer (DVD Program Stream with PES extraction)
+- [x] MPEG-2 video codec parser (sequence header, quantizer matrices, keyframe detection)
 - [x] KEYDB.cfg download, verify, save (raw TCP, zero HTTP deps)
 - [x] Content reading with adaptive batch sizing, error recovery, 12+ MB/s
 - [x] Stream labels: 5 BD-J format parsers (Paramount, Criterion, Pixelogic, CTRM, Deluxe)
-- [x] MKV muxer: 8 codec parsers (H.264, HEVC, AC-3, DTS, TrueHD, PGS, VC-1, LPCM)
+- [x] MKV muxer: 14 codec parsers (H.264, HEVC, MPEG-2, AC-3, DTS, TrueHD, PGS, DVD Sub, VC-1, LPCM, +4 more)
 - [x] SectorReader trait: decouples disc scanning from SCSI
 - [x] 7 stream types: Disc, ISO, MKV, M2TS, Network, Stdio, Null
-- [x] IOStream trait with URL-based resolver (scheme://path)
+- [x] PES pipeline with unified Stream trait (any source → any dest)
 - [x] FMKV metadata header for M2TS and network streams
 - [x] Numeric error codes only (no English text in library)
 - [x] Event system for progress callbacks
@@ -25,6 +30,5 @@
 ### Planned
 - [ ] Windows testing on real hardware
 - [ ] Pioneer Renesas platform support (48 drives, need GET_CONFIG 010C)
-- [ ] DVD CSS decryption
 - [ ] TranscodeStream (ffmpeg integration)
 - [ ] ISO write with BD-compliant UDF structure