setup proper dev env, and build login logout commands

[98sean98]

• add auth login and logout subscommands
• build context object, and save config file into appdirs
• setup debug_msg function that is callable as an option
• install keyring 23.0.1
• fix setup script
• try to save, read and delete an auth token using keyring
• install requests pip package
• build login and logout subcommands
• improve help text
• code refactor
• upgrade python to use 3.9.6
• change login token prefix to deploifai-
• setup package distribution dependencies
• setup release github action
• fix build process
• fix version escape callback unable to read the correct package
• install black formatter
• improve readme
• remove on push to all branches run for release github action
• setup environment utilities
• add auto_envvar_prefix to cli