* [Examples] Added shapes_particles

* Changes to follow the code conventions. Improved some things.

* Fixed name

* Fixed PNG name

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Co-authored-by: Ray <raysan5@gmail.com>

* ADDED: example: `core_directory_files`

* Follow raylib's conventions

* Rework `core_directory_files` example

* Removed alternating colors & text on directory

* Update screenshot

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Co-authored-by: Ray <raysan5@gmail.com>

* Added shapes_pie_chart example

* Made the example colorful

* Added some interactivity to the example

* Revert top comment to the standard

* Remove unused MAX_SLICES constant

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Co-authored-by: Gideon Serfontein <gse@newspacesystems.com>
Co-authored-by: Ray <raysan5@gmail.com>

* Fix warnings in many examples
Add examples to MSVC solution correctly

* fix CI error

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Co-authored-by: Ray <raysan5@gmail.com>

* ADDED: example: `shapes_kaleidoscope`

* Add line reflection

* Updated with `rexm update`

* Follow raylib's conventions

Now it works! but there is still work to do to support all required features...

I really enjoyed reviewing and redesigning this platform backend!

The example is not following examples conventions and it will be moved to `others` with a new name

This example was POSIX only and had some special requirements for web, it made it more difficult to be managed from collection standard examples format.

It will be re-added in the `others` category, that is not processed for web.