Update YouTube API Example with Connection Manager

[DJDevon3]

Private API. Youtube/Google developer API Key required (created from developer dashboard). Youtube/Google developer dashboard url in code comments. Pulls your own basic channel data including total videos, views, subscribers, All the basic info needed to get started.

Matching result is for matching username search. As long as you provide the API key it should only return 1 result associated with that username and key.

Added

• pretty serial hierarchy view
• general code cleanup and improvements
• improved and streamlined debugging
• shouty constants to make Pylint happy.
• imports sorted
• doc strings for functions
• uses settings.toml by default
• using Connection Manager by default

Serial output example:

Connecting to WiFi...
✅ Wifi!
 | Attempting to GET YouTube JSON...
 | ✅ YouTube JSON!
 |  | Matching Results: 1
 |  | Request Kind: youtube#channel
 |  | Channel ID: UCHpvNfMNs7qdsUjOad2_FWg
 |  | Videos: 273
 |  | Views: 7182245
 |  | Subscribers: 11800
 |  | Response Kind: youtube#channelListResponse
✂️ Disconnected from YouTube API

Finished!
Board Uptime: 1 hours
Next Update: 15 minutes
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