Adding Python Panel Examples

[Br2850]

What's changed?

• [x] Added README.md for Python Panel examples following the existing plugins/ paradigm
• [x] Added examples & documented py panel specific resources used for:
  • [x] Counter
  • [x] Plot
  • [x] Markdown
  • [x] Table
  • [x] Media Player
  • [x] Image
  • [x] Multiple Views in 1 Panel
  • [x] Templating Panels
  • [x] Accepting User Input
  • [x] Interactive Plot
  • [x] Dropdown Menu
  • [x] Walkthrough Tutorial
• [x] Added fiftyone.yml file for py panel examples to allow users to register them in their FiftyOne App