feat: add mtran ROS2 translation service

src/mtran/test/test_launch_paths.py

@@ -0,0 +1,16 @@
+from pathlib import Path
+
+
+root = Path(__file__).resolve().parents[1]
+source = (root / "launch" / "translator.launch.py").read_text(encoding="utf-8")
+
+assert 'get_package_prefix("mtran")' in source
+assert 'get_package_share_directory("mtran")' in source
+assert 'get_package_share_directory("mtran_ros2")' not in source
+assert "_find_workspace_root" not in source
+assert 'package="mtran"' in source
+assert 'package_prefix / "lib" / "mtran" / "mtranserver"' in source
+assert 'package_share / "models"' in source
+assert 'package_share / "mtranserver_config"' in source
+assert 'Path.cwd()' not in source
+assert "/home/hikos/" not in source