Quick Tour chapter update

[NotTheDr01ds]

Overall, this keeps the structure of the Quick Start, with some changes:

• Overall, I think it's more "newbie friendly", with more callouts, tips, links, etc.
• Does away with snippets, as with other updates. All code-blocks are embedded in the page.
• Adds Headings to make it easier to see when we jump between topics, which also ...
• Adds a Table of Contents
• Updates all examples to use # => on output. This allows the Copy button to be used on the code-block without attempt to "run a table" ;-)
• Wordsmithing to try to make key concepts a bit more clear.
• (Major) Reduces the emphasis on nested data, as that's a bit more than "Quick Start" material. I still mention nested data, with a link to the relevant section of the doc for more detail.
• (Major) Adds a brief section on $in, with a link to the relevant doc.
• Since this is the Quick Start, adds a bit more detail on Help, including F1 (our hidden feature).
• (Major) Adds a quick section on explore. I think it's an under-advertised, newbie-friendly feature.

[sholderbach]

That new prose reads lovely!

[NotTheDr01ds]

@sholderbach Thanks for the feedback! I've pushed the latest changes based on it.

[132ikl]

Looks great!! Much more newbie friendly 😄

[fdncred]

ping me when this is ready and i'll land it. thanks!

[NotTheDr01ds]

@fdncred Thanks! It's ready - All changes from review are in.

[NotTheDr01ds]

Ack - Found that my last change didn't save. 30 seconds ...

@fdncred Ok, now it's good.

[fdncred]

Thanks