refactor: better use relative path

With baseUrl set to "./", vscode autocompletes import path as absolute.
It's a bad practice, see nestjs/typescript-starter#74 for more info.
Moreover, using absolute path conflicts with module resolution in jest.

backend/src/auth/auth.module.ts

@@ -1,7 +1,7 @@
 import { Module } from '@nestjs/common';
 import { PassportModule } from '@nestjs/passport';
 import { AuthService } from './auth.service';
-import { UsersModule } from 'src/users/users.module';
+import { UsersModule } from '../users/users.module';
 import { LocalStrategy } from './local.strategy';
 import { AuthController } from './auth.controller';
 import { JwtModule } from '@nestjs/jwt';

backend/src/auth/auth.service.ts

@@ -1,5 +1,5 @@
 import { Injectable } from '@nestjs/common';
-import { UsersService } from 'src/users/users.service';
+import { UsersService } from '../users/users.service';
 import { IUserTag } from '../../../schema/user';
 import { JwtService } from '@nestjs/jwt';
 

backend/src/users/users.module.ts

@@ -2,7 +2,7 @@ import { Module } from '@nestjs/common';
 import { UsersService } from './users.service';
 import { UsersController } from './users.controller';
 import { MongooseModule } from '@nestjs/mongoose';
-import { User, UserSchema } from 'src/schema/user.schema';
+import { User, UserSchema } from '../schema/user.schema';
 
 @Module({
   imports: [

backend/src/users/users.service.ts

@@ -2,7 +2,7 @@ import crypto from 'node:crypto';
 import { Model } from 'mongoose';
 import { Injectable } from '@nestjs/common';
 import { InjectModel } from '@nestjs/mongoose';
-import { User } from 'src/schema/user.schema';
+import { User } from '../schema/user.schema';
 import { ICreateUser } from '../../../schema/user';
 
 @Injectable()

backend/tsconfig.json

@@ -9,7 +9,6 @@
     "target": "es2017",
     "sourceMap": true,
     "outDir": "./dist",
-    "baseUrl": "./",
     "incremental": true,
     "skipLibCheck": true,
     "strictNullChecks": false,