feat: Add seed people and companies data for demo environment (#2207) (#2307)

* feat: seed companies and people data

* init DataSeedDemoWorkspaceCommand to handle:
- seedCoreSchema()
- seedMetadataSchema()

* feature: Seed workspace with demo data

- delete workspace
- initDemo() with prefillWorkspaceWithDemoObjects()

* added companies-demo.ts with data
* added people-demo.ts with data

* added workspaceId to seedFeatureFlags()

* delete previous CoreSchema before seedCoreSchema

* added workspaceMemberPrefillData

* getDemoWorkspaces() to get DEMO_WORKSPACES from config

* defined DemoSeedUserIds

- created core/demo/ to keep modified seedCoreSchema() there
- DemoSeedUserIds with new set of users and Ids

* generateOpportunities() to seed demo opportunities (limit = 50)

* Code review and fixes

* Fix

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

server/src/integrations/environment/environment.validation.ts

@@ -13,6 +13,7 @@ import {
 } from 'class-validator';
 
 import { assert } from 'src/utils/assert';
+import { CastToStringArray } from 'src/integrations/environment/decorators/cast-to-string-array.decorator';
 
 import { IsDuration } from './decorators/is-duration.decorator';
 import { StorageType } from './interfaces/storage.interface';
@@ -145,6 +146,10 @@ export class EnvironmentVariables {
   @IsOptional()
   LOG_LEVELS?: LogLevel[];
 
+  @CastToStringArray()
+  @IsOptional()
+  DEMO_WORKSPACE_IDS?: string[];
+
   @ValidateIf((env) => env.LOGGER_DRIVER === LoggerDriver.Sentry)
   @IsString()
   SENTRY_DSN?: string;