Ac 3 Added migration files, notifications, minor changes

[Daksh119]

Issue that this pull request solves

Closes: # (issue number)

Proposed changes

Added migration files, notifications and some UI improvements

Types of changes

Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Other (please describe):

Checklist

Put an x in the boxes that apply

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have created new branch for this pull request
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• My changes does not break the current system and it passes all the current test cases.

Video

https://drive.google.com/file/d/1-P5nUdyaw1OFBKrjV88aNoFrtuV-MJfm/view?usp=sharing

Other information

Any other information that is important to this pull request

[Priyansh61]

@Daksh119 kindly complete the PR template, wont be able to review without that

[Daksh119]

Sure

[Daksh119]

@ChaudharyRaman

[ChaudharyRaman]

@Daksh119 can you remove all the migrations manually and push ??

[Daksh119]

@ChaudharyRaman I can but I added them only because we were instructed to do so.

[Priyansh61]

@ChaudharyRaman PTAL

[ChaudharyRaman]

LGTM Merging !!!