Made progress on implementing some shops.

Performed some folder restructuring as well.

Props-Modules/Props.Shop/Ebay/Actions/SearchRequest.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using Props.Shop.Framework;
+
+namespace Props.Shop.Ebay.Actions
+{
+    public class SearchRequest : IAsyncEnumerable<ProductListing>
+    {
+        private HttpClient http;
+        private string[] query;
+        public SearchRequest(HttpClient http, string[] query)
+        {
+            this.http = http ?? throw new ArgumentNullException("http");
+            this.query = query ?? throw new ArgumentNullException("query");
+        }
+
+        public IAsyncEnumerator<ProductListing> GetAsyncEnumerator(CancellationToken cancellationToken = default)
+        {
+            throw new System.NotImplementedException();
+        }
+
+        public class Enumerator : IAsyncEnumerator<ProductListing>
+        {
+            private HttpClient http;
+            private string[] query;
+
+            public Enumerator(HttpClient http, string[] query)
+            {
+                this.http = http;
+                this.query = query;
+            }
+
+            public ProductListing Current { get; private set; }
+
+            public ValueTask<bool> MoveNextAsync()
+            {
+                // TODO: Implement this.
+                throw new System.NotImplementedException();
+            }
+            public ValueTask DisposeAsync()
+            {
+                // TODO: Implement this.
+                throw new System.NotImplementedException();
+            }
+
+        }
+    }
+}