- Updated FundTable to replace JSON fields for investment stages and sectors with relationships.
- Introduced InvestmentStageTable and fund_investment_stages association table.
- Created fund_sectors association table for many-to-many relationship with sectors.
- Changed geographic_focus from JSON array to a simple string.
- Migrated existing data to new schema, ensuring data integrity and normalization.
- Updated related schemas, routers, and services to reflect new structure.
- Added migration script to handle data transformation and schema updates.
- Implemented tests to verify new relationships and data integrity.