fix: follow env naming convention

Author: CoderUni

lib/constants/key_name.dart

@@ -5,6 +5,8 @@ abstract class KeyNameConstants {
 
   static const String translator = 'translator_details';
 
+  static const String sentryEnv = 'SENTRY_LINK';
+
   // Normal translators
   static const String google = 'google';
   static const String baiduAppID = 'baiduAppID';

lib/main_development.dart

@@ -2,6 +2,7 @@ import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:qack/app/view/app.dart';
 import 'package:qack/bootstrap.dart';
+import 'package:qack/constants/key_name.dart';
 import 'package:qack/presentation/settings/bloc/settings_bloc.dart';
 import 'package:sentry_flutter/sentry_flutter.dart';
 
@@ -18,7 +19,7 @@ Future<void> main() async {
         ..tracesSampleRate = 1.0
         // Don't send request headers and user IP in development
         ..sendDefaultPii = false
-        ..dsn = dotenv.env['sentryLink'];
+        ..dsn = dotenv.env[KeyNameConstants.sentryEnv];
     },
     appRunner: () async {
       final transaction = Sentry.startTransaction(

lib/main_production.dart

@@ -2,6 +2,7 @@ import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:qack/app/view/app.dart';
 import 'package:qack/bootstrap.dart';
+import 'package:qack/constants/constants.dart';
 import 'package:qack/presentation/settings/bloc/settings_bloc.dart';
 import 'package:sentry_flutter/sentry_flutter.dart';
 
@@ -17,7 +18,7 @@ Future<void> main() async {
         ..environment = 'production'
         ..tracesSampleRate = 1.0
         ..sendDefaultPii = true
-        ..dsn = dotenv.env['sentryLink'];
+        ..dsn = dotenv.env[KeyNameConstants.sentryEnv];
     },
     appRunner: () async {
       final transaction = Sentry.startTransaction(

lib/main_staging.dart

@@ -2,6 +2,7 @@ import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:qack/app/view/app.dart';
 import 'package:qack/bootstrap.dart';
+import 'package:qack/constants/constants.dart';
 import 'package:qack/presentation/settings/bloc/settings_bloc.dart';
 import 'package:sentry_flutter/sentry_flutter.dart';
 
@@ -17,7 +18,7 @@ Future<void> main() async {
         ..environment = 'staging'
         ..tracesSampleRate = 1.0
         ..sendDefaultPii = true
-        ..dsn = dotenv.env['sentryLink'];
+        ..dsn = dotenv.env[KeyNameConstants.sentryEnv];
     },
     appRunner: () async {
       final transaction = Sentry.startTransaction(