Better cursor rules (#10431)

Move to the new cursor rule folder style and make it more granular

.cursor/rules/README.md

@@ -0,0 +1,65 @@
+# Twenty Development Rules
+
+This directory contains Twenty's development guidelines and best practices. The rules are organized into several key categories:
+
+## Guidelines Structure
+
+### 1. Architecture and Structure
+- `architecture.md`: Project overview, technology stack, and infrastructure setup
+- `file-structure-guidelines.md`: File and directory organization patterns
+
+### 2. Code Style and Development
+- `typescript-guidelines.md`: TypeScript best practices and conventions
+- `code-style-guidelines.md`: General coding standards and style guide
+
+### 3. React Development
+- `react-general-guidelines.md`: Core React development principles and patterns
+- `react-state-management-guidelines.md`: State management approaches and best practices
+
+### 4. Testing
+- `testing-guidelines.md`: Testing strategies, patterns, and best practices
+
+### 5. Internationalization
+- `translations.md`: Translation workflow, i18n setup, and string management
+
+## Common Development Commands
+
+### Frontend Commands
+```bash
+# Testing
+npx nx test twenty-front                    # Run unit tests
+npx nx storybook:build twenty-front         # Build Storybook
+npx nx storybook:serve-and-test:static     # Run Storybook tests
+
+# Development
+npx nx lint twenty-front                    # Run linter
+npx nx typecheck twenty-front               # Type checking
+npx nx run twenty-front:graphql:generate    # Generate GraphQL types
+```
+
+### Backend Commands
+```bash
+# Database
+npx nx database:reset twenty-server         # Reset database
+npx nx run twenty-server:database:init:prod # Initialize database
+npx nx run twenty-server:database:migrate:prod # Run migrations
+
+# Development
+npx nx run twenty-server:start             # Start the server
+npx nx run twenty-server:lint              # Run linter (add --fix to auto-fix)
+npx nx run twenty-server:typecheck         # Type checking
+npx nx run twenty-server:test              # Run unit tests
+npx nx run twenty-server:test:integration:with-db-reset # Run integration tests
+
+# Migrations
+npx nx run twenty-server:typeorm migration:generate src/database/typeorm/metadata/migrations/[name] -d src/database/typeorm/metadata/metadata.datasource.ts
+
+# Workspace
+npx nx run twenty-server:command workspace:sync-metadata -f  # Sync metadata
+```
+
+## Usage
+
+These rules are automatically attached to relevant files in your workspace through Cursor's context system. They help maintain consistency and quality across the Twenty codebase.
+
+For the most up-to-date version of these guidelines, always refer to the files in this directory.