Moved raylib webpage to docs folder

raylib webpage has been completely reorganized and moved from gh-pages
(a pain to work with) to docs folder. Useless libs have been removed,
webs have been renamed, etc.

Now it would be easier (hopefully) to update webpage. :)

docs/cheatsheet/raylib_colors.c

@@ -0,0 +1,30 @@
+
+    // Custom raylib color palette for amazing visuals
+    #define LIGHTGRAY  (Color){ 200, 200, 200, 255 }        // Light Gray
+    #define GRAY       (Color){ 130, 130, 130, 255 }        // Gray
+    #define DARKGRAY   (Color){ 80, 80, 80, 255 }           // Dark Gray
+    #define YELLOW     (Color){ 253, 249, 0, 255 }          // Yellow
+    #define GOLD       (Color){ 255, 203, 0, 255 }          // Gold
+    #define ORANGE     (Color){ 255, 161, 0, 255 }          // Orange
+    #define PINK       (Color){ 255, 109, 194, 255 }        // Pink
+    #define RED        (Color){ 230, 41, 55, 255 }          // Red
+    #define MAROON     (Color){ 190, 33, 55, 255 }          // Maroon
+    #define GREEN      (Color){ 0, 228, 48, 255 }           // Green
+    #define LIME       (Color){ 0, 158, 47, 255 }           // Lime
+    #define DARKGREEN  (Color){ 0, 117, 44, 255 }           // Dark Green
+    #define SKYBLUE    (Color){ 102, 191, 255, 255 }        // Sky Blue
+    #define BLUE       (Color){ 0, 121, 241, 255 }          // Blue
+    #define DARKBLUE   (Color){ 0, 82, 172, 255 }           // Dark Blue
+    #define PURPLE     (Color){ 200, 122, 255, 255 }        // Purple
+    #define VIOLET     (Color){ 135, 60, 190, 255 }         // Violet
+    #define DARKPURPLE (Color){ 112, 31, 126, 255 }         // Dark Purple
+    #define BEIGE      (Color){ 211, 176, 131, 255 }        // Beige
+    #define BROWN      (Color){ 127, 106, 79, 255 }         // Brown
+    #define DARKBROWN  (Color){ 76, 63, 47, 255 }           // Dark Brown
+
+    #define WHITE      (Color){ 255, 255, 255, 255 }        // White
+    #define BLACK      (Color){ 0, 0, 0, 255 }              // Black
+    #define BLANK      (Color){ 0, 0, 0, 0 }                // Transparent
+    #define MAGENTA    (Color){ 255, 0, 255, 255 }          // Magenta
+    #define RAYWHITE   (Color){ 245, 245, 245, 255 }        // Ray White
+