pr05 Visual Regression Testing #2: Adding More Tests (#1315)

* Update README.md

* added the image comparator which is the pixel matching algorithm

* added build.gradle file

* added the test runner

* added the simple test

* Revise README for Jetpack Compose migration strategy

Updated README to reflect migration to Jetpack Compose and strategy for replacing JEditTextArea with RSyntaxTextArea. Added insights on LSP-based editor research and the need for user feedback on Tweak Mode and autocompletion features.

* fixing the build issues

* added junit as dependency

* removing custom class implementation

* inclding visual-tests in settings

* fixed the overlapping cmd

* cleaning

* adding packages

* added updated screenshot structure

* refactoring

* added tests in suits

* removed simple test

* deleting earlier files

* updated the core/gradle file

* added the infrastructure

* added some tests ported by p5js

* removing test rendering suite and its test file

* added screenshots

* config files

* fixed the pixeldensity to 1

* Revert "fixed the pixeldensity to 1"

This reverts commit 66071ac.

* fixed pixeldensity to 1

* Configure dependencyUpdates task in build.gradle.kts

Add configuration for dependencyUpdates task to manage non-stable versions.

* removing rendering gradient screenshot

* added font alignment size leading and width tests

* added complex pfont tests

* added screenshots for the tests

* added typography screenshots

* shape-modes screenshots

* added shapemodes cases

* changed resolutions of some tests

* trying to fix arc issue

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Co-authored-by: Stef Tervelde <stef@steftervelde.nl>
Co-authored-by: Raphaël de Courville <raphael@processingfoundation.org>

Author: 3 people