[HOLD] Phone field phase 2 docs

[blackbaud-johnly]

Setting up phase 1.5 docs for phone field. To officially publish phase 2 docs, we still need the behavioral demo and code samples, so I created https://github.com/blackbaud/skyux-phone-field/issues/48 for that work.

Also, in addition to needing someone to review this PR for me, I have a handful of open questions that I need feedback to address:

• The States table in the Design tab needs to be adjusted to the correct width. I compared my setup to a similar table in the phase 2 dropdown component docs, and I don't see any difference in what I'm doing here. I'm pretty sure this is a known issue with docs-tools because we ran into something similar in the Options table for the phase 2 alert component docs. I need someone to check my HTML and confirm whether the is a problem with my HTML or with docs-tools. And if it's a docs-tools issue, does the fact that we are now running into this on multiple topics elevate the priority?
• We had existing JSDoc comments for SkyPhoneFieldComponent that does not look like it should be in the docs. I assume this should be a regular comment and should not surface in the docs, but I'm not 100 percent sure, so I need someone to check this and confirm for me.
• The description for SkyPhoneFieldInputDirective is pretty long, but I don't see a way around it. I need someone to check behind me to see if we should cut any of this info or put it anywhere else.
• docs-tools exposes a bunch of properties for SkyPhoneFieldAdapterService that were not previously documented. I need someone to check these properties for me and determine whether they should be included in the docs. And if so, I need someone to coordinate with me on what descriptions we need for these methods and parameters.

[Blackbaud-TrevorBurch]

1. I think this is this issue. https://github.com/blackbaud/skyux-docs-tools/issues/33 @Blackbaud-SteveBrush can you confirm?
2. I have modified that comment to be a standard comment.
3. It seems like we could possibly streamline this. Happy to chat. It seems like some of the high level info on the component has moved to the directive and out of the overview. I wonder if some could move back?
4. The adapter should not have been showing up at all. I marked that as internal.

[codecov[bot]]

Codecov Report

Merging #47 into master will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##            master       #47   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            6         6           
  Lines          261       261           
  Branches        30        30           
=========================================
  Hits           261       261           

Impacted Files	Coverage Δ
...modules/phone-field/phone-field-adapter.service.ts	100.00% <ø> (ø)
...modules/phone-field/phone-field-input.directive.ts	100.00% <ø> (ø)
...ublic/modules/phone-field/phone-field.component.ts	100.00% <ø> (ø)

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[blackbaud-ado]

Preview build at https://developer.blackbaud.com/skyux-phone-field?_sp.spa=pr-phone-field-phase-2

[blackbaud-ado]

Preview build at https://developer.blackbaud.com/skyux-phone-field?_sp.spa=pr-phone-field-phase-2

[blackbaud-ado]

Preview build at https://developer.blackbaud.com/skyux-phone-field?_sp.spa=pr-phone-field-phase-2