doc: fix hyperlinks to keyboard information (#133)

* doc: fix hyperlinks to keyboard information

* fix: added the extension for the hyperlink

Author: realstealthninja

02_Architecture/README.md

@@ -10,6 +10,6 @@ In this part we are going to cover the most Architecture specific topic, and som
 * [ACPI Tables](06_ACPITables) The ACPI tables, and how to parse them
 * [APIC](07_APIC.md) The Advanced Programmable Interrupt Controller, along with the IOAPIC they replace the old PIC to handle interrupts coming from external hardware
 * [Timers](08_Timers.md) We initialize, configure and start a timer
-* [PS2 Keyboard Overview](PS2_Keyboard/01_README.md) Introduction to the PS2 Keyboard Driver implementation
-* [PS2 Keyboard Interrupt Handling](PS2_Keyboard/02_Interrupt_Handling.md) How to handle the interrupt generated by the keyboard, and introduction of some of the basic concepts
-* [PS2 Keyboard Driver implementation](PS2_Keyboard/03_Driver_Implemenation.md) Finally how to translate the scancode we received into readable characters.
+* [PS2 Keyboard Overview](09_Add_Keyboard_Support.md) Introduction to the PS2 Keyboard Driver implementation
+* [PS2 Keyboard Interrupt Handling](10_Keyboard_Interrupt_Handling.md) How to handle the interrupt generated by the keyboard, and introduction of some of the basic concepts
+* [PS2 Keyboard Driver implementation](11_Keyboard_Driver_Implementation.md) Finally how to translate the scancode we received into readable characters.