feat: better state_handler

diceplayer/cli/args_model.py

@@ -0,0 +1,11 @@
+from pydantic import BaseModel
+
+
+class ArgsModel(BaseModel):
+    outfile: str
+    infile: str
+    continuation: bool
+
+    @classmethod
+    def from_args(cls, args):
+        return cls(**vars(args))