Added versions for frameworks/languages

[jaivanti]

Description

Added versions for frameworks and languages used, in readme.md file

Fixes #141

Type of Change:

Added Versions for flask and its frameworks used in the project.

• Documentation

Checklist:

Delete irrelevant options.

• [✓ ] My PR follows the style guidelines of this project
• [ ✓] I have performed a self-review of my own code or materials
• [ ✓] I have made corresponding changes to the documentation
• [ ✓] Any dependent changes have been merged

Code/Quality Assurance Only

• [ ✓] New and existing unit tests pass locally with my changes

[jaivanti]

@epicadk I have made changes. Do let me know for any other changes. Thanks!

[Rahulm2310]

@jaivanti can you please remove the irrelevant options from the PR checklist

[Amulya-coder]

@jaivanti you can check the boxes by directly clicking on it no need to mark them manually also Type of Change - documentation remove other options.