Add description for search bar when clicked in Library and Browse

[joseph619]

Describe your suggested feature

Library - Search title, tags, author, source

Browse - Global search

Other details

No response

Acknowledgements

• [X] I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open issue.
• [X] I have written a short but informative title.
• [X] If this is an issue with an extension, I should be opening an issue in the extensions repository.
• [X] I have updated the app to version 1.8.1.
• [X] I will fill out all of the requested information in this form.