refactor(server): flatten infra folders (#2120)

* refactor: flatten infra folders

* fix: database migrations

* fix: test related import

* fix: github actions workflow

* chore: rename schemas to typesense-schemas

server/libs/infra/src/migrations/1646249734844-CreateExifTextSearchIndex.ts

@@ -0,0 +1,17 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class CreateExifTextSearchIndex1646249734844 implements MigrationInterface {
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+        CREATE INDEX exif_text_searchable_idx 
+        ON exif 
+        USING GIN (exif_text_searchable_column);
+      `);
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      DROP INDEX IF EXISTS exif_text_searchable_idx ON exif;
+      `);
+  }
+}