update examples with difficulty stars

examples/core/core_2d_camera.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - 2D Camera system
 *
+*   Example complexity rating: [★★☆☆] 2/4
+*
 *   Example originally created with raylib 1.5, last time updated with raylib 3.0
 *
 *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,

examples/core/core_2d_camera_mouse_zoom.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - 2d camera mouse zoom
 *
+*   Example complexity rating: [★★☆☆] 2/4
+*
 *   Example originally created with raylib 4.2, last time updated with raylib 4.2
 *
 *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,

examples/core/core_2d_camera_platformer.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - 2D Camera platformer
 *
+*   Example complexity rating: [★★★☆] 3/4
+*
 *   Example originally created with raylib 2.5, last time updated with raylib 3.0
 *
 *   Example contributed by arvyy (@arvyy) and reviewed by Ramon Santamaria (@raysan5)

examples/core/core_2d_camera_split_screen.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - 2d camera split screen
 *
+*   Example complexity rating: [★★★★] 4/4
+*
 *   Addapted from the core_3d_camera_split_screen example: 
 *       https://github.com/raysan5/raylib/blob/master/examples/core/core_3d_camera_split_screen.c
 *

examples/core/core_3d_camera_first_person.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - 3d camera first person
 *
+*   Example complexity rating: [★★☆☆] 2/4
+*
 *   Example originally created with raylib 1.3, last time updated with raylib 1.3
 *
 *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,

examples/core/core_3d_camera_free.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Initialize 3d camera free
 *
+*   Example complexity rating: [★☆☆☆] 1/4
+*
 *   Example originally created with raylib 1.3, last time updated with raylib 1.3
 *
 *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,

examples/core/core_3d_camera_mode.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Initialize 3d camera mode
 *
+*   Example complexity rating: [★☆☆☆] 1/4
+*
 *   Example originally created with raylib 1.0, last time updated with raylib 1.0
 *
 *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,

examples/core/core_3d_camera_split_screen.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - 3d cmaera split screen
 *
+*   Example complexity rating: [★★★☆] 3/4
+*
 *   Example originally created with raylib 3.7, last time updated with raylib 4.0
 *
 *   Example contributed by Jeffery Myers (@JeffM2501) and reviewed by Ramon Santamaria (@raysan5)

examples/core/core_3d_picking.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Picking in 3d mode
 *
+*   Example complexity rating: [★★☆☆] 2/4
+*
 *   Example originally created with raylib 1.3, last time updated with raylib 4.0
 *
 *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,

examples/core/core_automation_events.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - automation events
 *
+*   Example complexity rating: [★★★☆] 3/4
+*
 *   Example originally created with raylib 5.0, last time updated with raylib 5.0
 *
 *   Example based on 2d_camera_platformer example by arvyy (@arvyy)

examples/core/core_basic_screen_manager.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] examples - basic screen manager
 *
+*   Example complexity rating: [★☆☆☆] 1/4
+*
 *   NOTE: This example illustrates a very simple screen manager based on a states machines
 *
 *   Example originally created with raylib 4.0, last time updated with raylib 4.0

examples/core/core_basic_window.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Basic window
 *
+*   Example complexity rating: [★☆☆☆] 1/4
+*
 *   Welcome to raylib!
 *
 *   To test examples, just press F6 and execute 'raylib_compile_execute' script

examples/core/core_custom_frame_control.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - custom frame control
 *
+*   Example complexity rating: [★★★★] 4/4
+*
 *   NOTE: WARNING: This is an example for advanced users willing to have full control over
 *   the frame processes. By default, EndDrawing() calls the following processes:
 *       1. Draw remaining batch data: rlDrawRenderBatchActive()

examples/core/core_custom_logging.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Custom logging
 *
+*   Example complexity rating: [★★★☆] 3/4
+*
 *   Example originally created with raylib 2.5, last time updated with raylib 2.5
 *
 *   Example contributed by Pablo Marcos Oltra (@pamarcos) and reviewed by Ramon Santamaria (@raysan5)

examples/core/core_drop_files.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Windows drop files
 *
+*   Example complexity rating: [★★☆☆] 2/4
+*
 *   NOTE: This example only works on platforms that support drag & drop (Windows, Linux, OSX, Html5?)
 *
 *   Example originally created with raylib 1.3, last time updated with raylib 4.2

examples/core/core_input_gamepad.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Gamepad input
 *
+*   Example complexity rating: [★☆☆☆] 1/4
+*
 *   NOTE: This example requires a Gamepad connected to the system
 *         raylib is configured to work with the following gamepads:
 *                - Xbox 360 Controller (Xbox 360, Xbox One)

examples/core/core_input_gestures.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Input Gestures Detection
 *
+*   Example complexity rating: [★★☆☆] 2/4
+*
 *   Example originally created with raylib 1.4, last time updated with raylib 4.2
 *
 *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,

examples/core/core_input_keys.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Keyboard input
 *
+*   Example complexity rating: [★☆☆☆] 1/4
+*
 *   Example originally created with raylib 1.0, last time updated with raylib 1.0
 *
 *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,

examples/core/core_input_mouse.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] example - Mouse input
 *
+*   Example complexity rating: [★☆☆☆] 1/4
+*
 *   Example originally created with raylib 1.0, last time updated with raylib 5.5
 *
 *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,

examples/core/core_input_mouse_wheel.c

@@ -2,6 +2,8 @@
 *
 *   raylib [core] examples - Mouse wheel input
 *
+*   Example complexity rating: [★☆☆☆] 1/4
+*
 *   Example originally created with raylib 1.1, last time updated with raylib 1.3
 *
 *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,