Added icons for iOS. Broke out data access into repositories. Added syncing service.

src/App/Repositories/Repository.cs

@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Bit.App.Abstractions;
+using SQLite;
+
+namespace Bit.App.Repositories
+{
+    public abstract class Repository<T, TId> : IRepository<T, TId>
+        where TId : IEquatable<TId> 
+        where T : class, IDataObject<TId>, new()
+    {
+        public Repository(ISqlService sqlService)
+        {
+            Connection = sqlService.GetConnection();
+        }
+
+        protected SQLiteConnection Connection { get; private set; }
+
+        public virtual Task<T> GetByIdAsync(TId id)
+        {
+            return Task.FromResult(Connection.Get<T>(id));
+        }
+
+        public virtual Task<IEnumerable<T>> GetAllAsync()
+        {
+            return Task.FromResult(Connection.Table<T>().Cast<T>());
+        }
+
+        public virtual Task InsertAsync(T obj)
+        {
+            Connection.Insert(obj);
+            return Task.FromResult(0);
+        }
+
+        public virtual Task UpdateAsync(T obj)
+        {
+            Connection.Update(obj);
+            return Task.FromResult(0);
+        }
+
+        public virtual async Task DeleteAsync(T obj)
+        {
+            await DeleteAsync(obj.Id);
+        }
+
+        public virtual Task DeleteAsync(TId id)
+        {
+            Connection.Delete<T>(id);
+            return Task.FromResult(0);
+        }
+    }
+}