Search (#7237)

Steps to test

1. Run metadata migrations
2. Run sync-metadata on your workspace
3. Enable the following feature flags: 
IS_SEARCH_ENABLED
IS_QUERY_RUNNER_TWENTY_ORM_ENABLED
IS_WORKSPACE_MIGRATED_FOR_SEARCH
4. Type Cmd + K and search anything

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

@@ -13,6 +13,11 @@ import {
 import { IndexFieldMetadataEntity } from 'src/engine/metadata-modules/index-metadata/index-field-metadata.entity';
 import { ObjectMetadataEntity } from 'src/engine/metadata-modules/object-metadata/object-metadata.entity';
 
+export enum IndexType {
+  BTREE = 'BTREE',
+  GIN = 'GIN',
+}
+
 @Entity('indexMetadata')
 export class IndexMetadataEntity {
   @PrimaryGeneratedColumn('uuid')
@@ -48,4 +53,15 @@ export class IndexMetadataEntity {
 
   @UpdateDateColumn({ type: 'timestamptz' })
   updatedAt: Date;
+
+  @Column({ default: false })
+  isCustom: boolean;
+
+  @Column({
+    type: 'enum',
+    enum: IndexType,
+    nullable: true,
+    default: IndexType.BTREE,
+  })
+  indexType?: IndexType;
 }