Add project files.

YTManager/MediaDB.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+
+namespace YTManager
+{
+    public class MediaDB : DbContext
+    {
+        public DbSet<Models.Channel> Channels { get; set; }
+        public DbSet<Models.Video> Videos { get; set; }
+
+        public MediaDB(DbContextOptions<MediaDB> options) :base(options){ }
+
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            base.OnConfiguring(optionsBuilder);
+        }
+    }
+}