Added tha anobii fetcher

Fetch anobii basic info, image and description
Merge branch 'BookFetcher'
Update database

Add a sheet called metabook
Fixed My request
Merge branch 'database-'
Merge branch 'master' into Request
Added actions after confirming giving books

1. update the book info
2. remove from old holder’s books relation
Deleted booksrelation in user
1. fetch metabook before anobii
2. get isbn10, isbn13
Added search on allbook
Completed search function

can search title, author, isbn
Merge branch 'Request'
Added previous holder
Added Record
minor changes
Added segmented Control on BookDetails
modified segment
Added SendRequest
Merge branch 'BookDetails'
Multiline request cell