Add Object Hunting example documentation (arduino#18)

* Update theremin docs

* updated theremin image

* adjust theremin readme content

* compressed theremin docs image

* adjust theremin readme content

* add object hunting draft docs

* add thumbnail

* Update object hunting docs

* Update object hunting readme

* Update object hunting example license

* Revert theremin changes

* Fix license issue

* Update examples/object-hunting/README.md

Co-authored-by: Christopher Méndez <49886387+mcmchris@users.noreply.github.com>

* Update examples/object-hunting/README.md

Co-authored-by: Christopher Méndez <49886387+mcmchris@users.noreply.github.com>

---------

Co-authored-by: Christopher Méndez <49886387+mcmchris@users.noreply.github.com>

Author: 2 people

examples/object-hunting/app.yaml

@@ -1,7 +1,6 @@
 name: Object Hunting
 icon: 🔍
 description: Detect a list of object to win the game
-
 bricks:
   - arduino:video_object_detection
   - arduino:web_ui