Add WithBody with IDictionary (form-urlencoded values) (#903)

* .

* x

* fx

* fix

* f

* tests

* fix tests

* add tst

src/WireMock.Net.Abstractions/Models/IBodyData.cs

@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using System.Text;
 using WireMock.Types;
 
@@ -38,6 +39,11 @@ public interface IBodyData
     /// </summary>
     string? BodyAsString { get; set; }
 
+    /// <summary>
+    /// The body as Form UrlEncoded dictionary.
+    /// </summary>
+    IDictionary<string, string>? BodyAsFormUrlEncoded { get; set; }
+
     /// <summary>
     /// The detected body type (detection based on body content).
     /// </summary>

src/WireMock.Net.Abstractions/Types/BodyType.cs

@@ -1,38 +1,42 @@
-namespace WireMock.Types
+namespace WireMock.Types;
+
+/// <summary>
+/// The BodyType
+/// </summary>
+public enum BodyType
 {
     /// <summary>
-    /// The BodyType
+    /// No body present
     /// </summary>
-    public enum BodyType
-    {
-        /// <summary>
-        /// No body present
-        /// </summary>
-        None,
+    None,
 
-        /// <summary>
-        /// Body is a String
-        /// </summary>
-        String,
+    /// <summary>
+    /// Body is a String
+    /// </summary>
+    String,
 
-        /// <summary>
-        /// Body is a Json object
-        /// </summary>
-        Json,
+    /// <summary>
+    /// Body is a Json object
+    /// </summary>
+    Json,
 
-        /// <summary>
-        /// Body is a Byte array
-        /// </summary>
-        Bytes,
+    /// <summary>
+    /// Body is a Byte array
+    /// </summary>
+    Bytes,
 
-        /// <summary>
-        /// Body is a File
-        /// </summary>
-        File,
+    /// <summary>
+    /// Body is a File
+    /// </summary>
+    File,
 
-        /// <summary>
-        /// Body is a MultiPart
-        /// </summary>
-        MultiPart
-    }
+    /// <summary>
+    /// Body is a MultiPart
+    /// </summary>
+    MultiPart,
+
+    /// <summary>
+    /// Body is a String which is x-www-form-urlencoded.
+    /// </summary>
+    FormUrlEncoded
 }