Widgets Configuration: Add custom intent

[ealeksandrov]

Part of: #7863

Description

This PR adds custom SiriKit intent to use for widgets configuration.
PR targets temporary feature branch, because it's complicated to hide custom intent behind feature flag.

Testing

1. Add a widget to home screen (long press on home screen > tap + in top left > search for Woo).
2. Configure Widget (long press on widget > tap "Edit Widget").
3. Confirm that "Time Range" setting is available with 4 correct options (same as stats dashboard in the app).

Screenshots

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• I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.

[wpmobilebot]

You can test the changes from this Pull Request by:

• Clicking here or scanning the QR code below to access App Center
• Then installing the build number pr7872-a9094a4 on your iPhone

If you need access to App Center, please ask a maintainer to add you.

[ealeksandrov]

Noticed CI issue and force-pushed the fix to remove Yosemite dependency from widgets target.

[Ecarrion]

Looks good!

I wonder if there is a way to make the current widgets default to today, so the merchants don't have to edit them by themselves.

[ealeksandrov]

Thanks for review!

make the current widgets default to today

You describe widgets migration from previous version? It may be complicated to control from our side.
I'll add it as a note to parent issue. I'm merging PR to feature branch, so it won't be delivered to users until we finish.