[Sureplus30]

Description

Documented the escrow reputation system, explaining how reputation scores are calculated, updated, and used in dispute resolution.

Changes

• Documented all eight reputation-related functions with their parameters, authorization requirements, errors, and events.
• Explained the default reputation score and how successful transactions and dispute outcomes affect it.
• Added the tenure bonus calculation, eligibility rules, and maximum limits.
• Explained reputation decay based on inactivity.
• Clarified how reputation influences dispute weighting.

Closes #827