ref: typehints, enum instead of raw string, abc and other (#1)

Full code coverage with annotations, fixing errors in various linters: ruff, wps, etc. Fixing errors in type checkers: ty, mypy, pyright. Formatting and bringing code to a consistent style, applying best practices in various aspects.

mock/local_test.py

@@ -1,18 +1,5 @@
-from argenta.app import App
-from argenta.command import Command
-from argenta.orchestrator import Orchestrator
-from argenta.router import Router
+import argparse
 
-
-router = Router()
-orchestrator = Orchestrator()
-
-@router.command(Command('test'))
-def test(response):
-    print('test command')
-
-app = App(ignore_command_register=True,
-          override_system_messages=True,
-          print_func=print)
-app.include_router(router)
-orchestrator.start_polling(app)
+parser = argparse.ArgumentParser(prog='myprogram')
+_ = parser.add_argument('--foo', help='foo of the %(prog)s program')
+parser.print_help()