App update

Submodule web/app 483d9f4..3f269da:
  > Import clean
  > Rename the module.py file to app.py
  > Move the home function to a separate view
  > Uniformization of the templates folder name
  > Move the PiAnoS related routes to the pianos view
  > Move the submission and tp_template route to respective views
  > Move the donor and dek routes to the donor view
  > Move the configuration of users to the newuser view
  > Move the new user (request and validation) routes to the newuser view
  > Remove useless imports
  > Move the login functions to the login view
  > Patch the files view (remove the baseurl from the view module)
  > Move the login routes to the login module
  > Move the files sending routes to the file module
  > Move the base routes to the base module