docs: update wiki for v3.0.0–v3.6.6 features and changes
- API Reference: add JPEG decoder/encoder APIs, encoder runtime controls
(force_idr, set_bitrate, flush), updated get_packet signature with
blocking wait, MJPEG in codec table, new nvEncParam/nvDecParam fields
- Compatibility: add FFmpeg 8.1 to supported versions
- Build and Install: CMake 3.10 min, JP6 auto-detect, SYSROOT cross-compile,
CPack .deb packaging, new build.sh options (--package, --no-libx265)
- Development Guide: FFmpeg 8.1 in version table, MJPEG encoder architecture,
JPEG codec file listings, updated repo structure, VERSIONS list
- Scripts and Commands: new build.sh options, expanded hw-all suite table
from 5 to 25 suites, updated ffpatch.sh version note
- Testing: add 12 missing test suites, update CI job naming
- GitLab CI: matrix builds, JP5/JP6 parallel matrices, updated job names,
dist/release stages, Docker build gate
- FAQ: MJPEG encoder, encoder runtime controls, blocking wait, version updates
- FAQ Features: move 9 completed items from roadmap to fixed table
- Home: add MJPEG to codec list
docs(wiki): migrate all repo docs + add FAQ section and navigation
Migrate docs/ (18 pages) to the wiki, add a 6-page FAQ section
(issue #26 expanded with fork fixes/features/perf), a Testing mirror,
and Home/_Sidebar/_Footer navigation. All inter-page links and anchors
rewritten to wiki URLs.