Create an extension methods to easily append to CollectionBuilders (#11691)

* Create UmbracoBuilder.ContentApps.cs

Add an extension method to register content apps to make it possible to register content apps in the startup.cs class.

* Create UmbracoBuilder.CollectionsBuilders

* White space

* Rename OEmbedProvider to EmbedProvider

* Rename EmbedProvider to OEmbedProvider

src/Umbraco.Core/DependencyInjection/UmbracoBuilder.CollectionBuilders.cs

@@ -0,0 +1,111 @@
+using Umbraco.Cms.Core.Composing;
+using Umbraco.Cms.Core.Dashboards;
+using Umbraco.Cms.Core.Media;
+using Umbraco.Cms.Core.Models.ContentEditing;
+using Umbraco.Cms.Core.Routing;
+using Umbraco.Cms.Core.Sections;
+
+namespace Umbraco.Cms.Core.DependencyInjection
+{
+    /// <summary>
+    /// Contains extensions methods for <see cref="IUmbracoBuilder"/> used for registering content apps.
+    /// </summary>
+    public static partial class UmbracoBuilderExtensions
+    {
+        /// <summary>
+        /// Register a component.
+        /// </summary>
+        /// <typeparam name="T">The type of the component.</typeparam>
+        /// <param name="builder">The builder.</param>
+        public static IUmbracoBuilder AddComponent<T>(this IUmbracoBuilder builder)
+            where T : class, IComponent
+        {
+            builder.Components().Append<T>();
+            return builder;
+        }
+
+        /// <summary>
+        /// Register a content app.
+        /// </summary>
+        /// <typeparam name="T">The type of the content app.</typeparam>
+        /// <param name="builder">The builder.</param>
+        public static IUmbracoBuilder AddContentApp<T>(this IUmbracoBuilder builder)
+            where T : class, IContentAppFactory
+        {
+            builder.ContentApps().Append<T>();
+            return builder;
+        }
+
+        /// <summary>
+        /// Register a content finder.
+        /// </summary>
+        /// <typeparam name="T">The type of the content finder.</typeparam>
+        /// <param name="builder">The builder.</param>
+        public static IUmbracoBuilder AddContentFinder<T>(this IUmbracoBuilder builder)
+            where T : class, IContentFinder
+        {
+            builder.ContentFinders().Append<T>();
+            return builder;
+        }
+
+        /// <summary>
+        /// Register a dashboard.
+        /// </summary>
+        /// <typeparam name="T">The type of the dashboard.</typeparam>
+        /// <param name="builder">The builder.</param>
+        public static IUmbracoBuilder AddDashboard<T>(this IUmbracoBuilder builder)
+            where T : class, IDashboard
+        {
+            builder.Dashboards().Add<T>();
+            return builder;
+        }
+
+        /// <summary>
+        /// Register a media url provider.
+        /// </summary>
+        /// <typeparam name="T">The type of the media url provider.</typeparam>
+        /// <param name="builder">The builder.</param>
+        public static IUmbracoBuilder AddMediaUrlProvider<T>(this IUmbracoBuilder builder)
+            where T : class, IMediaUrlProvider
+        {
+            builder.MediaUrlProviders().Append<T>();
+            return builder;
+        }
+
+        /// <summary>
+        /// Register a embed provider.
+        /// </summary>
+        /// <typeparam name="T">The type of the embed provider.</typeparam>
+        /// <param name="builder">The builder.</param>
+        public static IUmbracoBuilder AddOEmbedProvider<T>(this IUmbracoBuilder builder)
+            where T : class, IEmbedProvider
+        {
+            builder.OEmbedProviders().Append<T>();
+            return builder;
+        }
+
+        /// <summary>
+        /// Register a section.
+        /// </summary>
+        /// <typeparam name="T">The type of the section.</typeparam>
+        /// <param name="builder">The builder.</param>
+        public static IUmbracoBuilder AddSection<T>(this IUmbracoBuilder builder)
+            where T : class, ISection
+        {
+            builder.Sections().Append<T>();
+            return builder;
+        }
+
+        /// <summary>
+        /// Register a url provider.
+        /// </summary>
+        /// <typeparam name="T">The type of the url provider.</typeparam>
+        /// <param name="builder">The Builder.</param>
+        public static IUmbracoBuilder AddUrlProvider<T>(this IUmbracoBuilder builder)
+            where T : class, IUrlProvider
+        {
+            builder.UrlProviders().Append<T>();
+            return builder;
+        }
+    }
+}