Created diagnostics package (#34)
Initial import of web interface from web testing branch
Added walrus_web package
Added webserver script
Added launch file to bring up servers
Added ros and gamepad services
Added poll rate parameter to gamepad
Added joystick publishing
Added video streams
Added URDF directive
Made tabs hidden instead of destroyed when changing tabs
Made sure that the URDF viewer is resized correctly when resizing and changing tabs
Added bottom sheet for settings buttons
Added more diagnostic/sensor indicators
Added placeholder controls image
Added mock touch joystick
Added support for loading from different machine (removed hardcoded localhost)
Fixed broken fake diagnostics
Added ability to hide touch controls
Code for MDR demo