Add books' ids to response in /titles/{ident} endpoint

[anshulxyz]

Closes #31

• Backend, add route GET /books/{id} to fetch the info of a book entry
• Frontend, add route /books/{id} to display the info of the book

tasks

• [x] a direct Book ID search
• [x] Book detail displays all of Book metadata and associated Title

[codecov[bot]]

Codecov Report

Merging #42 (cf4bfbe) into main (6d09d10) will not change coverage. The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main       #42   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            9         8    -1     
  Lines          221       219    -2     
=========================================
- Hits           221       219    -2     

Impacted Files	Coverage Δ
backend/src/backend/routes/titles.py	100.00% <ø> (ø)
backend/src/backend/main.py	100.00% <100.00%> (ø)
backend/src/backend/models.py	100.00% <100.00%> (ø)
backend/src/backend/routes/books.py	100.00% <100.00%> (ø)
backend/src/backend/schemas.py	100.00% <100.00%> (ø)

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[anshulxyz]

@rgaudin How do you want to display metadata and zimcheck?

[anshulxyz]

@rgaudin

Searching a Book by its ID so that needs to be added

working on this now, let me know if the following approach is okay

1. Frontend - a new page, with a search bar, to send the book id to the backend
2. Backend - GET /books/{id} endpoint receives the id, and sends back the details, if book found, else 404

[anshulxyz]

@rgaudin here's a demo of the search

https://user-images.githubusercontent.com/6121530/147331786-1abca405-b946-4393-a4af-c9b1e9ca9ce8.mov