feat: new authors section & ui fixes

[qamarq]

This pull request introduces several changes to the frontend of the application, focusing on adding new components, modifying existing ones, and updating configurations. The most important changes include the addition of a new GithubRepo component, updates to the next-sitemap.config.js file, and modifications to the page.tsx file on the homepage.

New Components and Features:

• GithubRepo Component:

  • Added a new GithubRepo component to display GitHub repository information, including stars and contributors.
  • Integrated the GithubRepo component into the homepage (page.tsx). (frontend/src/app/(homepage)/page.tsxR20, F3501c4cL372R372)

• AvatarCircles Component:

  • Added a new AvatarCircles component to display contributor avatars with tooltips.

Configuration Updates:

• next-sitemap.config.js:
  • Updated the sitemap configuration to include robotsTxtOptions with policies for user agents.

UI Enhancements:

• Homepage (page.tsx):

  • Added a new error throw in the JoinUsBlock function to handle user login state.
  • Updated the layout of the JoinUsBlock function to improve responsiveness.
  • Added Particles component for visual enhancement on the homepage.

• Footer:

  • Added a border to the footer for better visual separation.

Environment Variables:

• env.mjs:
  • Added an optional GITHUB_TOKEN environment variable to support authenticated requests to the GitHub API. [1] [2]

These changes enhance the functionality and visual appeal of the application while also improving the configuration and environment setup.