Display Review Score on User Profiles

[GODrums]

Motivation

To provide a better insight into the score calculation, we want to display the score of individual reviews on a user's profile.
Solves task 2 of #159.

Description

This PR adapts the scoring logic:

• Refactor scoring into a ScoringService
• Support for evaluating scores for single PullRequestReview or IssueComment entities
• Display the score of single reviews on user profiles

Tasks

• Extract the scoring logic
  • Create new ScoringService
  • Add scoring method for PullRequestReview
  • Add scoring method for IssueComment
    • To solve: when no PR is available
  • Use ScoringService in LeaderboardService
• Score element in ReviewActivityCard
  • Design with Storybook
  • Add score to DTO
  • Implement logic in Angular
• Calculate scorefor profile data

Testing Instructions

TODO

Screenshots (if applicable)

Checklist

General

• PR title is clear and descriptive
• PR description explains the purpose and changes
• Code follows project coding standards
• Self-review of the code has been done
• Changes have been tested locally
• Screenshots have been attached (if applicable)
• Documentation has been updated (if applicable)

Client (if applicable)

• UI changes look good on all screen sizes and browsers
• No console errors or warnings
• User experience and accessibility have been tested
• Added Storybook stories for new components
• Components follow design system guidelines (if applicable)

Server (if applicable)

• Code is performant and follows best practices
• No security vulnerabilities introduced
• Proper error handling has been implemented
• Added tests for new functionality
• Changes have been tested in different environments (if applicable)

[FelixTJDietrich]

I have a few minor remarks. Regarding the static ScoringService idk if this will be problematic. I understand why you did it but maybe this is where we'd need a DTO conversion service so we can dependency inject the service 🤔

[FelixTJDietrich]

Code looks good to me now, thanks for implementing the requested changes so quickly!

It also looks really good, I really like this addition 😄