Update README to include MUL instruction

Author: coderick14

README.md

@@ -2,8 +2,8 @@
 ---
 #### A basic ARM emulator written in Golang 
 [![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](https://github.com/coderick14/ARMed/issues)
-[![Open Source Love](https://badges.frapsoft.com/os/v2/open-source.svg?v=103)](https://github.com/coderick14/ARMed/) 
-[![MIT Licence](https://badges.frapsoft.com/os/mit/mit.svg?v=103)](https://opensource.org/licenses/mit-license.php)
+[![Open Source Love](https://badges.frapsoft.com/os/v1/open-source.png?v=103)](https://github.com/coderick14/ARMed)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![GoDoc](https://godoc.org/github.com/coderick14/ARMed?status.svg)](https://godoc.org/github.com/coderick14/ARMed)
 
 ![ARMed logo](https://github.com/coderick14/ARMed/blob/dev/images/logo.png "ARMed - an ARM emulator written in Golang" )
@@ -64,6 +64,12 @@ Example : SUB X1, X2, X3
 Meaning : X1 = X2 - X3
 ```
 
+```
+INSTRUCTION : MULTIPLICATION 
+Example : MUL X1, X2, X3
+Meaning : X1 = X2 * X3
+```
+
 ```
 INSTRUCTION : ADD IMMEDIATE
 Example : ADDI X1, X2, #40
@@ -256,4 +262,4 @@ INSTRUCTION : UNCONDITIONAL BRANCH WITH LINK
 Example : BL label
 Meaning : X30 = PC + 4; go to label
 Comments : For procedure call (PC-relative)
-```
+```