Fix a broken link

[Anshuman-Jha-01]

Description

The Build a Distributed Streaming System with Python and Kafka option under Misc in Python was redirecting to wrong page.

I updated the link.

This PR fixes: #697

How Has This Been Tested?

Click on the updated link and it will redirect you to the required tutorial.

Types of changes

• [x] Content Update (change which fixes an issue or updates an already existing submission)
• [x] Documentation change

Checklist:

• [x] My code follows the code style of this project.
• [x] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [x] I have made checks to ensure URLs and other resources are valid

[alirezachali]

ok