Update more examples inconsistencies (#4711)

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

examples/core/core_basic_window_web.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Basic window (adapted for HTML5 platform)
 *
+*   Example complexity rating: [★☆☆☆] 1/4
+*
 *   NOTE: This example is prepared to compile for PLATFORM_WEB, and PLATFORM_DESKTOP
 *   As you will notice, code structure is slightly diferent to the other examples...
 *   To compile it for PLATFORM_WEB just uncomment #define PLATFORM_WEB at beginning

examples/core/core_input_gestures_web.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Input Gestures for Web
 *
+*   Example complexity rating: [★★☆☆] 2/4
+*
 *   Example originally created with raylib 4.6-dev, last time updated with raylib 4.6-dev
 *
 *   Example contributed by ubkp (@ubkp) and reviewed by Ramon Santamaria (@raysan5)

examples/core/core_input_virtual_controls.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - input virtual controls
 *
+*   Example complexity rating: [★★★☆] 3/4
+*
 *   Example originally created with raylib 5.0, last time updated with raylib 5.0
 *
 *   Example create by GreenSnakeLinux (@GreenSnakeLinux),
@@ -12,7 +14,7 @@
 *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
 *   BSD-like license that allows static linking with closed source software
 *
-*   Copyright (c) 2024-2025 Ramon Santamaria (@raysan5)
+*   Copyright (c) 2024-2025 oblerion (@oblerion) and Ramon Santamaria (@raysan5)
 *
 ********************************************************************************************/
 

examples/core/core_random_sequence.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Generates a random sequence
 *
+*   Example complexity rating: [★☆☆☆] 1/4
+*
 *   Example originally created with raylib 5.0, last time updated with raylib 5.0
 *
 *   Example contributed by Dalton Overmyer (@REDl3east) and reviewed by Ramon Santamaria (@raysan5)