1.2.0

many UX improvements:

• /waivers command can be use now from private of captain
• disabled all aiogram_dialogs for groups and supergroups
• rewrite text for approve players
• added readable error for user not in team waiver vote
• added waiver approve buttons for waiver message
• added editor for level
• restrict for reuse for new level
• don't request time 0 for level puzzle
• added level delete button
• move down back/exit buttons
• added editor for bonus keys
• added join to team by:
  • joined user to team's chat
  • chosen user by captain
• added my team button

fixes:

• fixed duplicate three times keys
• fixed remove user from waiver list by captain
• fixed more domain checks

internal changes:

• remove mockito usage
• add mypy for tests
• fixed more mypy issues
• added load test example
• few move out domain checks
• migrate to aiogram_dialog b20