Feature/create reservations

[jlcrodrigues]

Closes #657
Depends on #795

Added the ability to reserve library rooms from the reservations tab.

The website works especially slow for this service.

Also, there are a lot of errors that can occur for a reservation (e.g. library closed) so take this in mind to test.

Review checklist

• Terms and conditions reflect the current change
• Contains enough appropriate tests
• If aimed at production, writes a new summary in whatsnew/whatsnew-pt-PT
• Properly adds an entry in changelog.md with the change
• If PR includes UI updates/additions, its description has screenshots
• Behavior Is as expected
• Clean, well-structured code

[jlcrodrigues]

In the meeting, it was discussed that instead of the Circular Indicator, the reservation should do an optimistic update. However, because the room number is only known after the request is complete, I tried adding a shimmer effect. Please let me know what you think.

[bdmendes]

In the meeting, it was discussed that instead of the Circular Indicator, the reservation should do an optimistic update. However, because the room number is only known after the request is complete, I tried adding a shimmer effect. Please let me know what you think.

I like it, but I'll discuss it with the team nevertheless

[codecov]

Codecov Report

Merging #998 (3015163) into develop (9bbf5d4) will decrease coverage by 0%.
Report is 2 commits behind head on develop.
The diff coverage is 6%.

Additional details and impacted files

@@           Coverage Diff           @@
##           develop   #998    +/-   ##
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- Coverage       17%    16%    -0%     
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  Files          207    217    +10     
  Lines         6418   6903   +485     
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+ Hits          1037   1067    +30     
- Misses        5381   5836   +455