ask users to repeat password

In case if password is asked via getpass, it is possible to make typo
and user will not see the mistake. In order to avoid it, additional
confirmation has been added

src/ahriman/application/handlers/users.py

@@ -26,6 +26,7 @@ from typing import Type
 from ahriman.application.handlers import Handler
 from ahriman.core.configuration import Configuration
 from ahriman.core.database import SQLite
+from ahriman.core.exceptions import PasswordError
 from ahriman.core.formatters import UserPrinter
 from ahriman.models.action import Action
 from ahriman.models.user import User
@@ -149,7 +150,15 @@ class Users(Handler):
         Returns:
             User: built user descriptor
         """
+        def read_password() -> str:
+            first_password = getpass.getpass()
+            second_password = getpass.getpass("Repeat password: ")
+            if first_password != second_password:
+                raise PasswordError("passwords don't match")
+            return first_password
+
         password = args.password
         if password is None:
-            password = getpass.getpass()
+            password = read_password()
+
         return User(username=args.username, password=password, access=args.role)

src/ahriman/core/exceptions.py

@@ -179,6 +179,21 @@ class PathError(ValueError):
         ValueError.__init__(self, f"Path `{path}` does not belong to repository root `{root}`")
 
 
+class PasswordError(ValueError):
+    """
+    exception which will be raised in case of password related errors
+    """
+
+    def __init__(self, details: Any) -> None:
+        """
+        default constructor
+
+        Args:
+            details(Any); error details
+        """
+        ValueError.__init__(self, f"Password error: {details}")
+
+
 class ReportError(RuntimeError):
     """
     report generation exception