chore!: Rename Images.xcassets to Assets.xcassets

[dpogue]

Platforms affected

iOS

Motivation and Context

This matches the name used in a newly created Xcode project for iOS.

Description

Renamed the Images.xcassets folder to Assets.xcassets

Testing

Ensured all unit tests pass

Checklist

• I've run the tests to see all new and existing tests pass

[codecov-commenter]

Codecov Report

Merging #1169 (9f2775b) into master (8028f69) will not change coverage.
The diff coverage is 66.66%.

@@           Coverage Diff           @@
##           master    #1169   +/-   ##
=======================================
  Coverage   74.51%   74.51%           
=======================================
  Files          13       13           
  Lines        1699     1699           
=======================================
  Hits         1266     1266           
  Misses        433      433           

Impacted Files	Coverage Δ
bin/templates/scripts/cordova/lib/prepare.js	85.00% <66.66%> (ø)

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[erisu]

Changes LGTM