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

---------

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