Update PR2 description

The one in Drake tries to load OBJ files, but the repository provides
STL files, so it doesn't work without manual conversion.

Author: stephane-caron

robot_descriptions/_repositories.py

@@ -120,6 +120,11 @@ class Repository:
         commit="release-1.0.0",
         cache_path="aubrune/reachy_description",
     ),
+    "robot-assets": Repository(
+        url="https://github.com/ankurhanda/robot-assets.git",
+        commit="12f1a3c89c9975194551afaed0dfae1e09fdb27c",
+        cache_path="ankurhanda/robot-assets",
+    ),
     "robotiq_arg85_description": Repository(
         url="https://github.com/a-price/robotiq_arg85_description.git",
         commit="a65190bdbb0666609fe7e8c3bb17341e09e81625",

robot_descriptions/pr2_description.py

@@ -23,12 +23,10 @@
 
 from ._cache import clone_to_cache as _clone_to_cache
 
-REPOSITORY_PATH: str = _clone_to_cache("drake")
+REPOSITORY_PATH: str = _clone_to_cache("robot-assets")
 
-PACKAGE_PATH: str = _path.join(
-    REPOSITORY_PATH, "examples", "pr2", "models", "pr2_description"
-)
+PACKAGE_PATH: str = _path.join(REPOSITORY_PATH, "urdfs", "robots", "pr2")
 
 MESHES_PATH: str = _path.join(PACKAGE_PATH, "meshes")
 
-URDF_PATH: str = _path.join(PACKAGE_PATH, "urdf", "pr2_simplified.urdf")
+URDF_PATH: str = _path.join(PACKAGE_PATH, "pr2.urdf")