replace color logic with a macro to remove repetition

src/colour.h

@@ -1,22 +1,24 @@
+#define COLOR(BOLD, COLOR) "\033[" #BOLD ";" #COLOR "m"
+
 /* BOLD COLOURS */
-#define BBLACK   "\033[1;30m"
-#define BGRAY    "\033[1;90m"
-#define BRED     "\033[1;31m"
-#define BGREEN   "\033[1;32m"
-#define BYELLOW  "\033[1;33m"
-#define BBLUE    "\033[1;34m"
-#define BMAGENTA "\033[1;35m"
-#define BCYAN    "\033[1;36m"
-#define BWHITE   "\033[1;37m"
+#define BBLACK   COLOR(1, 30)
+#define BGRAY    COLOR(1, 90)
+#define BRED     COLOR(1, 31)
+#define BGREEN   COLOR(1, 32)
+#define BYELLOW  COLOR(1, 33)
+#define BBLUE    COLOR(1, 34)
+#define BMAGENTA COLOR(1, 35)
+#define BCYAN    COLOR(1, 36)
+#define BWHITE   COLOR(1, 37)
 /* NORMAL COLOURS */
-#define BLACK   "\033[0;30m"
-#define RED     "\033[0;31m"
-#define GREEN   "\033[0;32m"
-#define YELLOW  "\033[0;33m"
-#define BLUE    "\033[0;34m"
-#define MAGENTA "\033[0;35m"
-#define CYAN    "\033[0;36m"
-#define WHITE   "\033[0;37m"
+#define BLACK   COLOR(0, 30)
+#define RED     COLOR(0, 31)
+#define GREEN   COLOR(0, 32)
+#define YELLOW  COLOR(0, 33)
+#define BLUE    COLOR(0, 34)
+#define MAGENTA COLOR(0, 35)
+#define CYAN    COLOR(0, 36)
+#define WHITE   COLOR(0, 37)
 /* OTHER */
-#define RESET "\033[0;m"
-#define BITAL "\033[1;3m" 
+#define RESET COLOR(0, )
+#define BITAL COLOR(0, 3)