* Add documentation for the new watson_iot component
This commit adds documention for the new watson_iot component which was
added in home-assistant/home-assistant#13664
It links to the official documentation for setting up the cloud service
and generating the required auth information.
* ✏️ Missing comma
* Use configuration tags
This commit updates the formatting of the configuration section of the
documentation. Previously it manually formatted a list instead of
leveraging the templating format. This corrects that oversight and uses
the standard format.
* 🎨 Adds logo
* ⬆️ ha_release -> 0.68
* ✏️ Processed RFC's
