Added new paywall template to support multiple tiered subscriptions

[joshdholtz]

Motivation

Template 5 but with multiple tiers 😊

Supports...

• [x] Portrait
• [x] Landscape
• [x] Footer
• [ ] Accessibility

Description

• Updated PackageConfigurationType for MULTITIER
• Updated PaywallTemplate for TEMPLATE_7
• Updated PaywallData with...
  • localizationByTier
• Updated PaywallData.Configuration with...
  • packages defaults to `emptyList()
  • New imagesByTier: Map<String, ColorInformation>?
  • New colorsByTier: Map<String, Images>?
  • New tiers: List<Tier>?
• Updated PaywallData.Configuration.ColorInfomation with...
  • tierControlBackground: PaywallColor?
  • tierControlForeground: PaywallColor?
  • tierControlSelectedBackground: PaywallColor?
  • tierControlSelectedForeground: PaywallColor?

Demo

Screenshots

Portrait	Landscape	Footer	Footer Condensed

Video (with animations)

https://github.com/RevenueCat/purchases-android/assets/401294/b06d0dd5-3449-44d9-ad6f-9894bc0edc61

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 6.97674% with 40 lines in your changes missing coverage. Please review.

Project coverage is 82.88%. Comparing base (76724cf) to head (95d7a34). Report is 23 commits behind head on main.

Files	Patch %	Lines
...n/com/revenuecat/purchases/paywalls/PaywallData.kt	6.97%	40 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1720 +/- ## ========================================== - Coverage 83.32% 82.88% -0.45% ========================================== Files 222 222 Lines 7550 7589 +39 Branches 1060 1066 +6 ========================================== - Hits 6291 6290 -1 - Misses 845 885 +40 Partials 414 414 ```

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[tonidero]

One other thing, should the package selector be anchored to the bottom of the screen, together with the purchase button? Seems to me it would look nicer than tied to the main content.

[vegaro]

I was going to mention the same as @tonidero . I also don't think Google will like that the selected package details is behind the button, like the subscribe button is visible but it's possible the price is covered, like in this screenshot

[joshdholtz]

I was going to mention the same as @tonidero . I also don't think Google will like that the selected package details is behind the button, like the subscribe button is visible but it's possible the price is covered, like in this screenshot

Yeaaaahhh, this makes sense! I'll talk to the team about this tomorrow to see what we want to do about it 🤔 Thanks for bringing this up!

[RevenueCat-Danger-Bot]

	1 Warning
:warning:	This PR increases the size of the repo by more than 100.00 KB (increased by 103.03 KB).

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