Update README.md

Author: DiptoChakrabarty

README.md

@@ -10,7 +10,12 @@ This Repository is a guide to all the git commands you need to use in case any o
 
  Replace url with your required repository url 
 ```
-
+- Set username and emailId
+```sh
+ git config --global user.name "FIRST_NAME LAST_NAME"
+ 
+ git config --global user.email "MY_NAME@example.com"
+```
 - Pushing to a Repository
 ```sh
  git add .