fix: split character image names with underline

This is a minor change that I forgot to add on the latest release, and
it was breaking how the images show up on the Rich Presence

src/game_monitor.py

@@ -95,7 +95,7 @@ def run_game_and_gimi(self) -> None:
 
             self._logger.info("Starting GIMI")
             subprocess.Popen(
-                f'{os.path.join(config.GIMI_DIRECTORY, "3DMigoto Loader.exe")}',
+                os.path.join(config.GIMI_DIRECTORY, "3DMigoto Loader.exe"),
                 start_new_session=True,
                 shell=True,
                 cwd=config.GIMI_DIRECTORY,

src/rich_presence.py

@@ -111,7 +111,7 @@ def get_parsed_configs(self, name: str) -> Union[str, Any]:
                 if self.current_character in configRPC_characters:
                     all_attrib.append(configRPC_characters[self.current_character])
                 else:
-                    all_attrib.append("".join(self.current_character.split()).lower())
+                    all_attrib.append("_".join(self.current_character.split()).lower())
             elif attribute == "region_image":
                 if self.current_region in configRPC_regions:
                     all_attrib.append(configRPC_regions[self.current_region])