workflow: add maintainers mbed-os profiles

Author: 0xc0170

docs/reference/contributing/guidelines/workflow.md

@@ -18,12 +18,12 @@ Responsibilities:
 
 The current maintainers are:
 
-* Anna Bridge (adbridge).
-* Martin Kojtal (0xc0170).
-* Jimmy Brisson (theotherjimmy).
-* Shrikant Tudavekar (studavekar).
-* Sam Grove (sg-).
-* Cruz Monrreal (cmonr).
+* Anna Bridge [adbridge](https://os.mbed.com/users/AnnaBridge).
+* Martin Kojtal [0xc0170](https://os.mbed.com/users/Kojto).
+* Jimmy Brisson [theotherjimmy](https://os.mbed.com/users/theotherjimmy).
+* Shrikant Tudavekar [studavekar](https://os.mbed.com/users/shrikant1213).
+* Sam Grove [sg-](https://os.mbed.com/users/sam_grove).
+* Cruz Monrreal [cmonr](https://os.mbed.com/users/MrCruz).
 
 ##### Stakeholders