[Update] translation: Add Plamo API support with authentication and translation functionality

src-python/config.py

@@ -1184,6 +1184,7 @@ class Config:
         self._OSC_PORT = 9000
         self._AUTH_KEYS = {
             "DeepL_API": None,
+            "Plamo_API": None,
         }
         self._USE_EXCLUDE_WORDS = True
         self._SELECTED_TRANSLATION_COMPUTE_DEVICE = copy.deepcopy(self.SELECTABLE_COMPUTE_DEVICE_LIST[0])