Updated Frequently Asked Questions (markdown)

Frequently-Asked-Questions.md

@@ -17,6 +17,7 @@
 - [Does raylib support Vulkan? Will raylib support it?](#does-raylib-support-vulkan-will-raylib-support-it)
 - [Why my assets are not loaded?](#why-my-assets-are-not-loaded)
 - [How do I remove the console window?](#how-do-i-remove-the-console-window)
+- [How do I setup a custom icon for my executable?](#how-do-i-setup-a-custom-icon-for-my-executable)
 
 ## Can I run raylib in my old PC?
 
@@ -261,3 +262,8 @@ Wrong working directory _TODO_
 ## How do I remove the console window?
 
 It can be removed with a compiler parameter... _TODO_
+
+## How do I setup a custom icon for my executable?
+
+_TODO_
+