docs: add documentation about used protocols

doc/Home.md

@@ -7,11 +7,11 @@ Friendica Documentation and Resources
 	* [Account Basics](help/Account-Basics)
 	* [New User Quick Start](help/Quick-Start-guide)
 	* [Creating posts](help/Text_editor)
-        * [BBCode tag reference](help/BBCode)
+	* [BBCode tag reference](help/BBCode)
 	* [Comment, sort and delete posts](help/Text_comment)
 	* [Profiles](help/Profiles)
 	* [Accesskey reference](help/Accesskeys)
-    * [Events](help/events)
+	* [Events](help/events)
 * You and other users
 	* [Connectors](help/Connectors)
 	* [Making Friends](help/Making-Friends)
@@ -44,7 +44,7 @@ Friendica Documentation and Resources
 * [Plugin Development](help/Plugins)
 * [Theme Development](help/themes)
 * [Smarty 3 Templates](help/smarty3-templates)
-* [Message Flow](help/Message-Flow)
+* [Protocol Documentation](help/Protocol)
 * [Database schema documantation](help/database)
 * [Class Autoloading](help/autoloader)
 * [Code - Reference(Doxygen generated - sets cookies)](doc/html/)