Added and example demonstrating reading the contents of a file and rendering them,
utilizing rtext module. The demonstration also handles wrapping of long sentences,
and text scrolling.

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

ADDED: example: `core_screen_recording` -WIP-

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>

* ADDED: example: `shapes_kaleidoscope`

* Add line reflection

* Updated with `rexm update`

* Follow raylib's conventions

* [examples] Add shapes_triangle_strip

* Remove functions

* ADDED: example: shapes_recursive_tree

* [examples] Added shapes_recursive_tree

* [examples] shapes_recursive_tree: adjustments

* Reduced tree depth from 12 to 10

* new shapes_recursive_tree.png

* follow the conventions

* follow the conventions 2

* ADDED: example:  models_geometry_textures_cube

* FIXED: example: models_geometry_textures_cube - removed leftover TODO and aligned title with header

* add shapes_bullet_hell example

* adjust example count

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