docs: update readme.md

README.md

@@ -104,7 +104,7 @@ The object includes following coloring functions: `black`, `red`, `green`, `yell
 console.log(`I see a ${pc.red("red door")} and I want it painted ${pc.black("black")}`)
 ```
 
-The object also includes following background color modifier functions: `bgBlack`, `bgRed`, `bgGreen`, `bgYellow`, `bgBlue`, `bgMagenta`, `bgCyan`, `bgWhite`.
+The object also includes following background color modifier functions: `bgBlack`, `bgRed`, `bgGreen`, `bgYellow`, `bgBlue`, `bgMagenta`, `bgCyan`, `bgWhite` and bright variants `bgBlackBright`, `bgRedBright`, `bgGreenBright`, `bgYellowBright`, `bgBlueBright`, `bgMagentaBright`, `bgCyanBright`, `bgWhiteBright`.
 
 ```javascript
 console.log(
@@ -114,7 +114,7 @@ console.log(
 )
 ```
 
-Besides colors, the object includes following formatting functions: `dim`, `bold`, `hidden`, `italic`, `underline`, `strikethrough`, `reset`, `inverse`.
+Besides colors, the object includes following formatting functions: `dim`, `bold`, `hidden`, `italic`, `underline`, `strikethrough`, `reset`, `inverse` and bright variants `blackBright`, `redBright`, `greenBright`, `yellowBright`, `blueBright`, `magentaBright`, `cyanBright`, `whiteBright`.
 
 ```javascript
 for (let task of tasks) {