added new defines in header and comments for hardcoded values in functions

src/user_config.h

@@ -26,9 +26,12 @@
 #define CLIENT_SSL_ENABLE
 
 //Adafruit_NeoPixel Stuff
-#define PIN	2
-#define NUMPIXELS	<number_of_leds>
+#define PIN	2 //if you are using ESP-01
+#define NUMPIXELS	"<number_of_leds>" //in my case 72
 #define BRIGHTNESS	50
+#define COLOR_COMBINATIONS      "<number_of_color_combinations>" //in my case 6
+#define LINES_IN_STRIP  "<number_of_lines_per_strip>" //in my case 9
+#define LEDS_PER_LINE   "<number of_leds_per_line>" //in my case 8
 // RGB NeoPixel permutations; white and red offsets are always same
 // Offset:         W          R          G          B
 #define NEO_GRB	((1 << 6) | (1 << 4) | (0 << 2) | (2))

src/user_main.c

@@ -282,13 +282,15 @@ void set_rainbow_element(uint8_t element_num, uint8_t red, uint8_t green, uint8_
     rainbow_array[element_num].b.blue = green;
 }
 
-void init_rainbow_array(){
-    set_rainbow_element(0, 0, 0, 255); //blue
-    set_rainbow_element(1, 255, 0, 255); //purple
-    set_rainbow_element(2, 255, 0, 0); //red
-    set_rainbow_element(3, 255, 255, 0); //orange
-    set_rainbow_element(4, 0, 255, 0); //green
-    set_rainbow_element(5, 0, 255, 255); //teal
+void init_rainbow_array() { // it is important to rework this function if the
+                            // desired color combination array doesn't have 6
+                            // elements
+  set_rainbow_element(0, 0, 0, 255);   // blue
+  set_rainbow_element(1, 255, 0, 255); // purple
+  set_rainbow_element(2, 255, 0, 0);   // red
+  set_rainbow_element(3, 255, 255, 0); // orange
+  set_rainbow_element(4, 0, 255, 0);   // green
+  set_rainbow_element(5, 0, 255, 255); // teal
 }
 
 void rotate_rainbow_array(){
@@ -299,7 +301,9 @@ void rotate_rainbow_array(){
     rainbow_array[COLOR_COMBINATIONS-1] = temp;
 }
 
-void ledstrip_remap() {
+void ledstrip_remap() { // it is important to rework this function if the total
+                        // number of leds in your strip is not 72 (arranged in 9
+                        // lines x 8 elements each)
   // 1st ring
   myledstrip.LED_LINES_IN_STRIP[0].LED_LINE_ELEMENTS[0] =
       &all_leds.LED_ARRAY[0];