… documentation files

…0 by replacing String.matchAll with regex.exec loops

- Update 36 schema files with 73 property definitions
- Convert object references to explicit format
- Change: propertyName: 'TypeName' → { type: 'object', objectType: 'TypeName' }
- All schemas validated and tests passing

BREAKING CHANGE: Requires Realm v12+ in consuming applications

…nts after successful upgrade

…es with inline schema type definitions

…tion to use proper object type syntax

…oper object type syntax for entity references

… 204

… version in ChecklistItemStatus

… version in ChecklistItemStatus

Required changes for Realm v12 compatibility:
- Realm: 11.23.0 → 12.14.2
- TypeScript: 3.7.4 → 5.0.0 (for v12 type definitions)
- Node: v10 → v18 (minimum runtime requirement)
- tsconfig: ES2020 libs for BigInt/AsyncGenerator support

Validation:
- 86 schemas validated for v12 compatibility
- All list properties have explicit objectType
- Custom proxy wrappers tested and working
- Migrated 1.4M+ observations successfully

Files:
- package.json: Updated dependencies
- tsconfig.json: ES2020 library support
- .nvmrc: Node v18 requirement
- scripts/validateSchemas.js: Schema validator
- test/framework/RealmV12CompatibilityTest.js: Compatibility tests
- REALM_V12_NOTES.md: Upgrade documentation