add --config CLI parameter

src/capport/control/run.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+import argparse
+import dataclasses
 import typing
 import uuid
 
@@ -61,8 +63,21 @@ async def amain(config: capport.config.Config) -> None:
             await sn.send('STATUS=Kernel fully synchronized')
 
 
+@dataclasses.dataclass
+class CliArguments:
+    config: str | None
+
+    def __init__(self):
+        parser = argparse.ArgumentParser()
+        parser.add_argument('--config', '-c')
+        args = parser.parse_args()
+
+        self.config = args.config
+
+
 def main() -> None:
-    config = capport.config.Config.load_default_once()
+    args = CliArguments()
+    config = capport.config.Config.load_default_once(filename=args.config)
     capport.utils.cli.init_logger(config)
     try:
         trio.run(amain, config)