data persistance init

src/app.module.ts

@@ -1,17 +1,30 @@
 import { Module } from '@nestjs/common';
 import { ConfigModule } from '@nestjs/config';
+import { TypeOrmModule } from '@nestjs/typeorm';
 
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { BitcoinRpcService } from './bitcoin-rpc.service';
 import { BlockTemplateService } from './BlockTemplateService';
+import { ClientStatisticsModule } from './ORM/client-statistics/client-statistics.module';
+import { ClientModule } from './ORM/client/client.module';
 import { StratumV1Service } from './stratum-v1.service';
 
-
+const ORMModules = [
+    ClientStatisticsModule,
+    ClientModule
+]
 
 @Module({
     imports: [
-        ConfigModule.forRoot()
+        ConfigModule.forRoot(),
+        TypeOrmModule.forRoot({
+            type: 'sqlite',
+            database: './DB/public-pool.sqlite',
+            synchronize: true,
+            autoLoadEntities: true,
+        }),
+        ...ORMModules
     ],
     controllers: [AppController],
     providers: [