Write function:
- arguments:
app_name, app_platform, app_id
- body:
- log in at https://appfigures.com
- go to https://appfigures.com/account/apps
- request "Add competitors"
- perform app search by app_name
- request "track app" with mentioned app_platform or app_id
- returns:
dict_app_info


specifics:
- data types:
- app_name - string
- app_platform - string one of ['windows10', 'apple', 'google_play', 'steam']
N.B. if not in list raise Error
- app_id - integer

- dict_app_info - dictionary with added app name, platform, id, and other info from search

- code requirements:
- code style - PEP8, pylinter
- no try/except statements
- no selenium usage