feat: add config keys for completions

kalpa/config.py

@@ -42,6 +42,10 @@ class GeneralConfig:
 
 	skip_to_stage: typing.Optional[int] = None
 
+	# whether to skip stages or deepdog runs if a completion file is found
+	respect_completions: bool = True
+	write_completions: bool = True
+
 
 @dataclass(frozen=True)
 class TantriConfig: