Merge pull request #67 from tanishagupta1/main

 Added upstream command

Author: Utkarsh1504

README.md

@@ -55,10 +55,15 @@ For the quick start, you can follow the steps below:
 1. Star <a href="https://github.com/utkarsh1504/DSA-Java" title="this">this</a> repository.
 2. Fork <a href="https://github.com/utkarsh1504/DSA-Java" title="this">this</a> repository.
 3. Clone the **forked** repository.
+4. Set <a href="https://github.com/utkarsh1504/DSA-Java" title="this">this</a> repository as upstream repository. 
 
 ```yml
 git clone https://github.com/<your-github-username>/DSA-Java
 ```
+Set upstream command
+```yml
+git remote add upstream https://github.com/Utkarsh1504/DSA-Java.git
+```
 
 3. Navigate to the project directory.