docs: extend the lunacolors guide

docs/lunacolors.md

@@ -28,14 +28,17 @@ Colors:
 - magenta
 - cyan
 - white
+  
 Styles:
+- reset
 - bold
 - dim
 - italic
 - underline
 - invert
 
-For the colors, there are background and bright variants. The background
-color variants have a suffix of `Bg` and bright has a prefix of `bright`.
-Note that appropriate camel casing has to be applied to them. So bright
-blue would be `brightBlue` and background cyan would be `cyanBg`.
+For the colors, there are background and bright variants. Background color
+variants have a `Bg` suffix, while bright variants use the `bright` prefix.
+These can also be combined. Note that appropriate camel casing must be applied. 
+For example, bright blue would be written as `brightBlue`, a cyan background as 
+`cyanBg`, and combining them would result in `brightBlueBg`.