- Changed file permissions from 644 to 755 for various files in the mobile-app and mobile-app_legacy_rn_expo directories, ensuring executable permissions where necessary.
- Added a new SQL migration script to the backend to introduce missing columns for club billing and invoice settings in the clubs table, maintaining synchronization with the current Sequelize model.
- Added controllers for handling friendly match invitations and shared matches.
- Created migration scripts for `friendly_match_invitation` and `friendly_match_shared` tables.
- Developed models for `FriendlyMatchInvitation` and `FriendlyMatchShared`.
- Established routes for managing invitations and shared matches.
- Implemented services for business logic related to invitations and shared matches.
- Documented the concept plan for the new feature including API endpoints and data models.
