Tb 4009 placeholder ads

[frankpepermans]

What 🕵️ 🔍

• What does the pull request solve?
• What exactly was added or modified?

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How to test (please adjust template) 🥼 🔬

• Feature flag enabled:
  Test main feature, and verify that all aspects of the story are working as described in the PR and the Jira story

  • step №1
  • step №2

• Feature flag disabled:

  • Check affected area that still behave as expected without the feature

• Feature affects new Engine/ Card manager / Settings / DB changes / Architecture update

  • Go to Setting, change language :
    • Verify that the Feed shows articles in the new language
    • Verify that like/ dislike / bookmark, visually works
    • Verify that articles show up in bookmarks
    • Verify search works and articles show up in the new language

• Feature has DB change

  • Upgrade test from previous version, verify that the app starts and that the affected area works as expected

• Feature affects platform dependent code

  • Verify feature on iOS
  • Verify feature on Android

• Feature affects UI changes

  • Verify on iPhone SE / [Small Android]
  • (default) Verify on Pro 13 Max / (Big Android)

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Screenshots 📸 📱

Before	After

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References 📝 🔗

• JIRA

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