Onboarding Add to Dock Tutorial

[alessandroboron]

Task/Issue URL: https://app.asana.com/0/1206329551987282/1208577512136708/f

Description:

Add the Add to Dock tutorial Dax dialog. Figma Mockup

Be aware that the localised strings will be added in another PR.

Steps to test this PR:

1. Check the preview in AddToDockTutorialView.swift.
2. Ensure that the preview for OnboardingAddToDockDialog in ContextualOnboardingDialogs.swift respect the design in Figma Mockup.

Definition of Done (Internal Only):

• [ ] Does this PR satisfy our Definition of Done?

Copy Testing:

• [ ] Use of correct apostrophes in new copy, ie ’ rather than '

Orientation Testing:

• [ ] Portrait
• [ ] Landscape

Device Testing:

• [ ] iPhone SE (1st Gen)
• [ ] iPhone 8
• [ ] iPhone X
• [ ] iPhone 14 Pro
• [ ] iPad

OS Testing:

• [ ] iOS 15
• [ ] iOS 16
• [ ] iOS 17

Theme Testing:

• [ ] Light theme
• [ ] Dark theme

---

Internal references:

Software Engineering Expectations Technical Design Template

[github-actions[bot]]

	Warnings
:warning:	PR has more than 500 lines of code changing. Consider splitting into smaller PRs if possible.

Generated by :no_entry_sign: dangerJS against 1a149b80e4556527660ee1c1ab38093e5517db40