[Backend] Implemented Project Activity Tracking System

[amlannandy]

Description

This Pull Request contains the backend implementation of the Project Activity Tracking System. The detailed changes are provided below commit-wise.

Commit 1

• Created the db model for a Log

Commit 2

• Created the log decorator
• Created a log helpers file

Commit 3

• Added the logs decorator on route whose activity needs to be tracked
• Areas covered - projects, teams, images, labels, mlclassifiers

Commit 4

• Created the logs controller to fetch the logs project-wise, category-wise, user-wise, entity-wise
• Created additional helper functions

Commit 5

• Modified fetch project by id route to also show the last 5 logs of a project
• These logs can then be shown as recent activity in project details screen

Commit 6

• Added username field to Log model

Fixes #593

Type of change

• Bug fix (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)
• This change requires a documentation update

How Has This Been Tested?

Tested using the Postman App

Test Configuration:

• Postman
• Windows 10

screen-capture.mp4

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• 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
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[ThatUdeshUK]

Nice work 👍🏻