279 page skeletons

[m-milek]

This pull request includes several changes to the frontend directory, focusing on updating routes, renaming files, and refactoring imports. The most important changes include updating sidebar links, renaming and updating imports, and adding new route components.

Route Updates and Sidebar Link Changes:

• Updated sidebar links to reflect new paths for reports, users, FAQ, and thesis sections in Sidebar.tsx. [1] [2]

File Renaming and Import Refactoring:

• Renamed PageFallback.tsx and updated imports to reflect the new path. [1] [2] [3] [4] [5] [6] [7] [8]
• Renamed GoogleSignInButton.tsx and updated its import path. [1] [2]

New Route Components:

• Added new route components for ThesisPage, BrowseReportsPage, BrowseUsersPage, ReleasesPage, and SandboxPage. [1] [2] [3] [4] [5]

Router Configuration Updates:

• Updated router.tsx to include new paths for user reports, browse reports, browse users, releases, thesis, and sandbox. [1] [2] [3]

Import Path Adjustments:

• Adjusted import paths in various files to reflect the new structure. [1] [2]