refactor: divided exceptions into files

src/application/domain/exceptions/not_found_exception.py

@@ -0,0 +1,8 @@
+from application.domain.exceptions.application_exceptions import ApplicationException
+
+from typing import Mapping
+
+
+class NotFoundException(ApplicationException):
+    def __init__(self, message: str = 'Not found', headers: Mapping[str, str] | None = None):
+        super().__init__(404, message, headers)