Add advanced search

[Scriptbash]

Adds a new screen for searching journals and articles by using the full potential of the Crossref API.

• Add a dedicated search screen
  • Create the form UI for searching
  • Search articles by query
    • Add a search result screens for articles
    • Add articles searching functionality + advanced search options
    • Implement cursors and lazy loading
  • Search articles by DOI
  • Search journals by name
  • Search journals by ISSN
  • Improve null values handling from the API responses
    • Improve the null values handling from the /works endpoint
    • Improve the null values handling from the /journals endpoint
  • Implement the save query option
    • Create a new table in the database for saved queries
    • Add functions to insert and get the saved queries in the DB
    • Create a card widget for saved queries
• Change the journal screen to a library screen
  • Remove the search button and move it to the search screen
  • Add a tab widget to show followed journals and saved search queries