Extend ansi color codes

- add font color black (normal, light)
- add background color codes (normal, light)

support/functions/_ansi

@@ -9,8 +9,10 @@ initializeANSI(){
 
 nc='\033[0;' #nc normal color
 lc='\033[1;' #lc light  color
+bc='\033['   #bc backcolor
 
 # normal
+bk_n=$nc'30m' #black
 r_n=$nc'31m' #red
 g_n=$nc'32m' #green
 y_n=$nc'33m' #yellow
@@ -20,6 +22,7 @@ c_n=$nc'36m' #cyan
 w_n=$nc'37m' #white
 
 #light
+bk_l=$nc'30m' #black
 r_l=$lc'31m' #red
 g_l=$lc'32m' #green
 y_l=$lc'33m' #yellow
@@ -28,6 +31,26 @@ p_l=$lc'35m' #pink
 c_l=$lc'36m' #cyan
 w_l=$lc'37m' #white
 
+# normal background
+bk_nb=$bc'40m' #black
+r_nb=$bc'41m' #red
+g_nb=$bc'42m' #green
+y_nb=$bc'43m' #yellow
+b_nb=$bc'44m' #blue
+p_nb=$bc'45m' #pink
+c_nb=$bc'46m' #cyan
+w_nb=$bc'107m' #white
+
+# light background
+dg_lb=$bc'100m' #dark gray
+r_lb=$bc'101m' #light red
+g_lb=$bc'102m' #light green
+y_lb=$bc'103m' #light yellow
+b_lb=$bc'104m' #light blue
+p_lb=$bc'105m' #light pink
+c_lb=$bc'106m' #light cyan
+lg_lb=$bc'47m' #light gray
+
 #reset to normal
 re_='\033[0m'   #resets all colors
 re_f='\033[39m' #resets only foreground color