feat: internationalization (#21)

* refactor: added all enums for errors exception keys

* refactor: modified exception filter

src/app.controller.ts

@@ -2,6 +2,13 @@ import { Controller, Get } from '@nestjs/common';
 import { AppService } from './app.service';
 import { ExceptionService } from './shared';
 import { ApiTags } from '@nestjs/swagger';
+import {
+  AuthExpectionKeys,
+  CartExpectionKeys,
+  GlobalExceptionKeys,
+  ProductExceptionKeys,
+  ExceptionStatusKeys,
+} from 'src/enums';
 
 @ApiTags('root')
 @Controller()
@@ -18,6 +25,12 @@ export class AppController {
 
   @Get('lang/errors')
   getErrors() {
-    return this.exceptionService.statusKeys;
+    return Object.values({
+      ...ExceptionStatusKeys,
+      ...GlobalExceptionKeys,
+      ...ProductExceptionKeys,
+      ...AuthExpectionKeys,
+      ...CartExpectionKeys,
+    });
   }
 }

src/http-exceptions.filter.ts

@@ -40,6 +40,7 @@ export class HttpExceptionsFilter implements ExceptionFilter {
       statusCode: status,
       timestamp: new Date().toISOString(),
       path: request.url,
+      help: `if you think this error should not happen, please create new issue at: https://github.com/educata/everrest/issues`,
     });
   }
 }