Added most of the settings code, doesn't work because SQLite is weird

src/Artemis.Storage/Repositories/IRepository.cs

@@ -0,0 +1,6 @@
+namespace Artemis.Storage.Repositories
+{
+    public interface IRepository
+    {
+    }
+}

src/Artemis.Storage/Repositories/ISettingRepository.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Artemis.Storage.Entities;
+
+namespace Artemis.Storage.Repositories
+{
+    public interface ISettingRepository : IRepository
+    {
+        IQueryable<SettingEntity> GetAll();
+        List<SettingEntity> GetByPluginGuid(Guid pluginGuid);
+        void Add(SettingEntity settingEntity);
+        Task<List<SettingEntity>> GetByPluginGuidAsync(Guid pluginGuid);
+        Task<SettingEntity> GetByNameAndPluginGuid(string name, Guid pluginGuid);
+        Task<SettingEntity> GetByName(string name);
+        void Save();
+        Task SaveAsync();
+    }
+}

src/Artemis.Storage/Repositories/SettingRepository.cs

@@ -7,11 +7,11 @@ using Microsoft.EntityFrameworkCore;
 
 namespace Artemis.Storage.Repositories
 {
-    public class SettingRepository
+    public class SettingRepository : ISettingRepository
     {
         private readonly StorageContext _dbContext;
 
-        public SettingRepository()
+        internal SettingRepository()
         {
             _dbContext = new StorageContext();
         }
@@ -26,6 +26,11 @@ namespace Artemis.Storage.Repositories
             return _dbContext.Settings.Where(p => p.PluginGuid == pluginGuid).ToList();
         }
 
+        public void Add(SettingEntity settingEntity)
+        {
+            _dbContext.Settings.Add(settingEntity);
+        }
+
         public async Task<List<SettingEntity>> GetByPluginGuidAsync(Guid pluginGuid)
         {
             return await _dbContext.Settings.Where(p => p.PluginGuid == pluginGuid).ToListAsync();