fix: mobile version fix & link prefetch

[qamarq]

This pull request includes several changes to the frontend package, primarily focusing on updating dependencies, modifying the navbar component, and enhancing the login and home page components.

Dependency Updates:

• Added node-fetch version ^3.3.2 to frontend/package.json and frontend/package-lock.json. [1] [2]
• Added data-uri-to-buffer version 4.0.1 to frontend/package-lock.json.
• Added fetch-blob version 3.2.0 to frontend/package-lock.json.
• Added formdata-polyfill version 4.0.10 to frontend/package-lock.json.
• Added web-streams-polyfill version 3.3.3 to frontend/package-lock.json.

Component Modifications:

• Modified the navbar component to adjust the height of the mobile menu icon.
• Updated the LoginPage component to include prefetch={false} in the login link.
• Updated the JoinUsBlock component to include prefetch={false} in the login link and adjust the flex layout.
• Updated the HomePage component to remove the md:text-left class from the <h1> element and add text-balance to the <p> element. [1] [2]

API Route Changes:

• Added dynamic = "force-dynamic" export to frontend/src/app/api/callback/route.ts.
• Removed the fetch parameter from the tokens object in frontend/src/app/api/callback/route.ts and frontend/src/lib/usos.ts. [1] [2]
• Set the secure flag to true for cookies in the GET function in frontend/src/app/api/login/route.ts.

Service and Client Changes:

• Removed the LRUCache implementation and the fetch parameter from the createClient function in frontend/src/services/usos/usosClient.ts. [1] [2]