Automatically port System.Text.Json.Serialization.JsonConverterFactory (#2886)

* Automatically port System.Text.Json.Serialization.JsonConverterFactory

* Updated.

Author: carlossanlop

xml/System.Text.Json.Serialization/JsonConverterFactory.xml

@@ -14,8 +14,16 @@
   </Base>
   <Interfaces />
   <Docs>
-    <summary>To be added.</summary>
-    <remarks>To be added.</remarks>
+    <summary>Supports converting several types by using a factory pattern.</summary>
+    <remarks>
+      <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+This is useful for converters supporting generics, such as a converter for <xref:System.Collections.Generic.List`1>.
+
+          ]]></format>
+    </remarks>
   </Docs>
   <Members>
     <Member MemberName=".ctor">
@@ -31,7 +39,7 @@
       </AssemblyInfo>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>When overidden in a derived class, initializes a new instance of the <see cref="T:System.Text.Json.Serialization.JsonConverterFactory" /> class.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -54,11 +62,11 @@
         <Parameter Name="typeToConvert" Type="System.Type" />
       </Parameters>
       <Docs>
-        <param name="typeToConvert">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <param name="typeToConvert">The type to convert.</param>
+        <summary>Creates a converter for a specified type.</summary>
+        <returns>An instance of a <see cref="T:System.Text.Json.Serialization.JsonConverter`1" /> where <typeparamref name="T" /> is compatible with <paramref name="typeToConvert" />.</returns>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
   </Members>
-</Type>
+</Type>