docs: Add concept release documentation and tracking

Add docs for the new concept release system:

- concept_cycle.rst: Technical documentation explaining the release
  mechanism, schedule calculations, and troubleshooting guide
- concept_releases.rst: Auto-updated release history file with
  installation instructions and real-time schedule generation
- Updated index.rst to include both new documentation files

The documentation covers:
- Bimonthly release schedule (Feb, Apr, Jun, Aug, Oct, Dec)
- RC numbering system counting backwards from final releases
- Dead period handling for dates too early in cycle
- Snap package distribution via Ubuntu Store
- Automated release tracking and history

Co-developed-by: Claude <noreply@anthropic.com>
Signed-off-by: Simon Glass <sjg@chromium.org)
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2025-09-11 21:51:30 -06:00
parent 4fe2797092
commit d5ba460e73
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@@ -18,6 +18,8 @@ General
patman
process
release_cycle
concept_cycle
concept_releases
security
sending_patches
system_configuration