Refactoring

* replace TypeORM with Kysely query builder
* refactor migrations
* other changes and fixes

apps/server/src/database/database.module.ts

@@ -1,15 +0,0 @@
-import { Module } from '@nestjs/common';
-import { TypeOrmModule } from '@nestjs/typeorm';
-import { AppDataSource } from './typeorm.config';
-
-@Module({
-  imports: [
-    TypeOrmModule.forRoot({
-      ...AppDataSource.options,
-      entities: ['dist/src/**/*.entity.{ts,js}'],
-      migrations: ['dist/src/**/migrations/*.{ts,js}'],
-      autoLoadEntities: true,
-    }),
-  ],
-})
-export class DatabaseModule {}