refactor and add using constants instead of hard coded strings ...

Providers/Entities/XStringSeederBase.cs

@@ -1,10 +1,9 @@
 using xDataService.Configuration;
 using xDataService.Providers;
-using xStringService.Interfaces;
 using xStringService.Interfaces.Entities;
 using xStringService.Models.Entities;
 
-namespace xStringService.Providers
+namespace xStringService.Providers.Entities
 {
     public abstract class XStringSeederBase : XBaseDbSeeder<XString, int>, IXStringSeeder
     {

Providers/GraphQL/XStringGraphQLTypeHelper.cs

@@ -1,5 +1,6 @@
 using xDataService.Configuration;
 using xDataService.GraphQL;
+using xStringService.Constants;
 using xStringService.Interfaces.Entities;
 using xStringService.Models.Entities;
 
@@ -14,12 +15,12 @@ namespace xStringService.Providers.GraphQL
 
         public override string GetInQueryCollectionName()
         {
-            return "strings";
+            return XStringServiceConstants.XStringCollectionName;
         }
 
         public override string GetInQuerySingleName()
         {
-            return "string";
+            return XStringServiceConstants.XStringSingleName;
         }
     }
 }