Resolve "Write test scripts to practice black-box test methods"

Closes #4

See merge request !9

Resolve "Write test scripts to have full statetn coverage for project_view and get_user_task_permission"

Closes #5

See merge request !12

Dev

See merge request !8

Resolve "Provide a CAPTCHA on sign-up"

See merge request !7

# Conflicts:
#   requirements.txt

Remove unused class

See merge request !6

Dev

See merge request !5

Resolve "Dark mode"

See merge request !4