Add and improve task-driven API docs with examples

* Task-driven with examples.
* Tweak the workflow then engage developers to increase/improve docs.

# Outline (using Plant Buddy Part 3 as an example):
1. Goals
2. Quick Start with Demo Data and Sample Data
2. Overview (Architecture)
3. Data Segmentation Strategies
4. Bootstrapping: Setup InfluxDB org, bucket, and initial token and auth using Web UI
5. Smoke test with CLI
1. Create a bucket
2. Upload Data
3. Query
6. Editor config (Flux extension for VSCode)
7. Write data via API
8. Query via API
9. Aggregate and Downsample your data
10. Create Notifications
11. Monitor your app