Add project_title in Project and create_project

[reckart]

What's in the PR
Project gains attribute project_title and create_project gains argument project_title
Linked to inception-project/inception#5156

How to test manually

from pycaprio import Pycaprio
client = Pycaprio(inception_host = host, authentication = (user, password))
projects = client.api.projects()
print(projects)
projects[0].project_title
proj = client.api.create_project("hello_world", project_title = "Hello World", creator_name="other user")
proj.project_title

Automatic testing

• PR includes unit tests

Documentation

• PR updates documentation

Was: #21

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.94%. Comparing base (5cfedcf) to head (100907c).

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #25      +/-   ##
==========================================
+ Coverage   98.93%   98.94%   +0.01%     
==========================================
  Files          19       19              
  Lines         469      474       +5     
  Branches       60       61       +1     
==========================================
+ Hits          464      469       +5     
  Misses          1        1              
  Partials        4        4              

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