ui: allow loading characters directly from cli (#16)

pqcli/ui/base.py

@@ -1,13 +1,21 @@
 import abc
 import argparse
+import typing as T
 
+from pqcli.mechanic import Player
 from pqcli.roster import Roster
 
 
 class BaseUserInterface(abc.ABC):
-    def __init__(self, roster: Roster, args: argparse.Namespace) -> None:
+    def __init__(
+        self,
+        roster: Roster,
+        player: T.Optional[Player],
+        args: argparse.Namespace,
+    ) -> None:
         self.roster = roster
         self.args = args
+        self.player = player
 
     @abc.abstractmethod
     def run(self) -> None: