Add drop support announcement view

[bgoncal]

Summary

Add drop support announcement view

Screenshots

Link to pull request in Documentation repository

Documentation: home-assistant/companion.home-assistant#

Any other notes

[codecov]

Codecov Report

Attention: 415 lines in your changes are missing coverage. Please review.

Comparison is base (8f7f0ec) 28.37% compared to head (88710bf) 28.14%.
Report is 4 commits behind head on master.

❗ Current head 88710bf differs from pull request most recent head 926eea1. Consider uploading reports for the commit 926eea1 to get more accurate results

Files	Patch %	Lines
...dentialsSharing/ThreadCredentialsSharingView.swift	0.00%	117 Missing ⚠️
Sources/App/WebView/WebViewController.swift	0.00%	90 Missing ⚠️
...DropSupport/DropSupportMessageViewController.swift	0.00%	86 Missing ⚠️
...alsSharing/ThreadCredentialsSharingViewModel.swift	38.46%	24 Missing ⚠️
...ces/App/Settings/DebugSettingsViewController.swift	0.00%	21 Missing ⚠️
...rces/Shared/DesignSystem/Components/CardView.swift	0.00%	21 Missing ⚠️
...rces/Shared/DesignSystem/Components/HAButton.swift	0.00%	14 Missing ⚠️
Sources/Shared/Environment/MatterWrapper.swift	0.00%	12 Missing ⚠️
...ntialsSharing/ThreadCredentialsSharing+build.swift	0.00%	8 Missing ⚠️
Sources/App/AppDelegate.swift	0.00%	6 Missing ⚠️
... and 5 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2471      +/-   ##
==========================================
- Coverage   28.37%   28.14%   -0.23%     
==========================================
  Files         273      285      +12     
  Lines       30284    30748     +464     
==========================================
+ Hits         8593     8655      +62     
- Misses      21691    22093     +402     

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