(feat) Add login modal when searching projects for non-authenticated users

[coderatomy]

Summary

Adds login modal for non-authenticated users Closes #802

Changes

• Adds support for modalising the Login component
• Non-authenticated users can only search through the featured projects

Screenshots

[tuxology]

Hey @coderatomy, thanks for redoing this 👍 I tried to test this and was unable to get the featured projects show up on test instance (behind the modal) when I searched as non-logged in user. Here is an example:

The project does exist and is marked as featured project 👇