docs: add comprehensive project documentation and reduce redundancy

Add CODE_GUIDELINES.md, database schema docs, and development-progress-log.md.
Refactor README.md to eliminate redundant information by linking to detailed docs.
Establish clear documentation hierarchy for better maintainability.
This commit is contained in:
Moritz 2025-11-10 14:28:30 +01:00 committed by moritz
parent 7305c63130
commit 3852655597
5 changed files with 4546 additions and 16 deletions

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