Update more examples inconsistencies (#4711)

Co-authored-by: Anstro Pleuton <anstropleuton@github.com>

examples/others/rlgl_compute_shader.c

@@ -5,6 +5,8 @@
 *   NOTE: This example requires raylib OpenGL 4.3 versions for compute shaders support,
 *         shaders used in this example are #version 430 (OpenGL 4.3)
 *
+*   Example complexity rating: [★★★★] 4/4
+*
 *   Example originally created with raylib 4.0, last time updated with raylib 2.5
 *
 *   Example contributed by Teddy Astie (@tsnake41) and reviewed by Ramon Santamaria (@raysan5)