added reference to Core

added empty implementations of repositories

SurveyLib.Infrastructure.EFCore/Repositories/SurveyRepository.cs

@@ -0,0 +1,47 @@
+using SurveyLib.Core.Models;
+using SurveyLib.Core.Repositories;
+
+namespace SurveyLib.Infrastructure.EFCore.Repositories;
+
+public class SurveyRepository : ISurveyRepository
+{
+    public Task<Survey>? GetByIdAsync(int id)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task<IEnumerable<Survey>> GetAllAsync()
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task AddAsync(Survey entity)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task UpdateAsync(Survey entity)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task DeleteAsync(Survey entity)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task<Survey?> GetWithQuestionsAsync(int surveyId)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task<Survey?> GetWithCompletionsAsync(int surveyId)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Task<Survey?> FindByTitleAsync(string title)
+    {
+        throw new NotImplementedException();
+    }
+}