added first working db init and startup

Tv7Playlist/Startup.cs

@@ -60,6 +60,9 @@ namespace Tv7Playlist
                 app.UseHsts();
             }
 
+            InitializeDatabase(app);
+
+
             app.UseHttpsRedirection();
             app.UseStaticFiles();
             app.UseCookiePolicy();
@@ -72,6 +75,14 @@ namespace Tv7Playlist
             });
         }
 
+        private void InitializeDatabase(IApplicationBuilder app)
+        {
+            using (var scope = app.ApplicationServices.GetService<IServiceScopeFactory>().CreateScope())
+            {
+                scope.ServiceProvider.GetRequiredService<PlaylistContext>().Database.Migrate();
+            }
+        }
+
         private void ConfigureParser(IServiceCollection services, IAppConfig appConfig)
         {
             services.AddTransient<IPlaylistLoader, PlaylistLoader>();