Refactor backend folder structure (#4505)

* Refactor backend folder structure

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

* fix tests

* fix

* move yoga hooks

---------

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

packages/twenty-server/src/engine/integrations/environment/environment.module.ts

@@ -0,0 +1,20 @@
+import { Global, Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+
+import { EnvironmentService } from './environment.service';
+import { ConfigurableModuleClass } from './environment.module-definition';
+import { validate } from './environment-variables';
+
+@Global()
+@Module({
+  imports: [
+    ConfigModule.forRoot({
+      isGlobal: true,
+      expandVariables: true,
+      validate,
+    }),
+  ],
+  providers: [EnvironmentService],
+  exports: [EnvironmentService],
+})
+export class EnvironmentModule extends ConfigurableModuleClass {}