Add endpoints to create and delete remote server (#4606)

* Build remote server

* Add getters

* Migrate to json inputs

* Use extendable type

* Use regex validation

* Remove acronymes

---------

Co-authored-by: Thomas Trompette <thomast@twenty.com>

packages/twenty-server/src/engine/metadata-modules/remote-server/remote-server.entity.ts

@@ -0,0 +1,59 @@
+import { ObjectType } from '@nestjs/graphql';
+
+import {
+  Column,
+  CreateDateColumn,
+  Entity,
+  Generated,
+  PrimaryGeneratedColumn,
+  UpdateDateColumn,
+} from 'typeorm';
+
+export enum RemoteServerType {
+  POSTGRES_FDW = 'postgres_fdw',
+}
+
+type PostgresForeignDataWrapperOptions = {
+  host: string;
+  port: number;
+  dbname: string;
+};
+
+export type ForeignDataWrapperOptions<T extends RemoteServerType> =
+  T extends RemoteServerType.POSTGRES_FDW
+    ? PostgresForeignDataWrapperOptions
+    : never;
+
+export type UserMappingOptions = {
+  username: string;
+  password: string;
+};
+
+@Entity('remoteServer')
+@ObjectType('RemoteServer')
+export class RemoteServerEntity<T extends RemoteServerType> {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @Column()
+  @Generated('uuid')
+  foreignDataWrapperId: string;
+
+  @Column({ nullable: true })
+  foreignDataWrapperType: T;
+
+  @Column({ nullable: true, type: 'jsonb' })
+  foreignDataWrapperOptions: ForeignDataWrapperOptions<T>;
+
+  @Column({ nullable: true, type: 'jsonb' })
+  userMappingOptions: UserMappingOptions;
+
+  @Column({ nullable: false, type: 'uuid' })
+  workspaceId: string;
+
+  @CreateDateColumn()
+  createdAt: Date;
+
+  @UpdateDateColumn()
+  updatedAt: Date;
+}