Refactor the URDF into multiple parts.

Makes it easier to work on an individual part in isolation.
Also change the vscode devconsole visualiser to one that works with includes

robot/src/raspbot_v2/setup.py

@@ -1,3 +1,5 @@
+import glob
+
 from setuptools import setup
 
 package_name = 'raspbot_v2'
@@ -10,7 +12,7 @@ setup(
         ('share/ament_index/resource_index/packages', ['resource/' + package_name]),
         ('share/' + package_name, ['package.xml']),
         ('share/' + package_name + '/launch', ['launch/robot.launch.py']),
-        ('share/' + package_name + '/urdf',   ['urdf/raspbot_v2.urdf.xacro']),
+        ('share/' + package_name + '/urdf',   glob.glob('urdf/*.xacro')),
     ],
     install_requires=['setuptools'],
     zip_safe=True,