Add mention of Foxglove Studio to "Software and Libraries" section

[esthersweon]

• Free and open source
• Dramatically streamlines the robotics development process by integrating the functionality of different data viz and debugging tools into one easy-to-use environment
• Actively maintained by a dedicated team of engineers
• Called out in 2022 by the robotics industry at large as a much-needed innovation in the field: https://www.roboticsbusinessreview.com/rbr50-company-2022/foxgloves-studio-and-data-platform-make-robotics-development-easier-and-faster/

[gianpaj]

ping @kiloreux . very good resource