6181 workflows create a custom code executor (#6235)

Closes #6181

## Testing
- download Altair graphql dev tool https://altairgraphql.dev/#download
- create a file locally `test.ts` containing:
```
export const handler = async (event: object, context: object) => {
  return { test: 'toto', data: event['data'] };
}
```
- play those requests in Altair:
mutation UpsertFunction($file: Upload!) {
  upsertFunction(name: "toto", file: $file)
}

mutation ExecFunction {
  executeFunction(name:"toto", payload: {data: "titi"})
}
- it will run the local driver, add those env variable to test with
lambda driver
```
CUSTOM_CODE_ENGINE_DRIVER_TYPE=lambda
LAMBDA_REGION=eu-west-2
LAMBDA_ROLE=<ASK_ME>
```

packages/twenty-server/src/engine/metadata-modules/metadata-engine.module.ts

@@ -7,6 +7,7 @@ import { RelationMetadataModule } from 'src/engine/metadata-modules/relation-met
 import { RemoteServerModule } from 'src/engine/metadata-modules/remote-server/remote-server.module';
 import { WorkspaceCacheVersionModule } from 'src/engine/metadata-modules/workspace-cache-version/workspace-cache-version.module';
 import { WorkspaceMigrationModule } from 'src/engine/metadata-modules/workspace-migration/workspace-migration.module';
+import { ServerlessFunctionModule } from 'src/engine/metadata-modules/serverless-function/serverless-function.module';
 
 @Module({
   imports: [
@@ -14,6 +15,7 @@ import { WorkspaceMigrationModule } from 'src/engine/metadata-modules/workspace-
     FieldMetadataModule,
     ObjectMetadataModule,
     RelationMetadataModule,
+    ServerlessFunctionModule,
     WorkspaceCacheVersionModule,
     WorkspaceMigrationModule,
     RemoteServerModule,
@@ -24,6 +26,7 @@ import { WorkspaceMigrationModule } from 'src/engine/metadata-modules/workspace-
     FieldMetadataModule,
     ObjectMetadataModule,
     RelationMetadataModule,
+    ServerlessFunctionModule,
     RemoteServerModule,
   ],
 })