refactor uses of voicings

+ fix usages of scaleTranspose

packages/core/pattern.mjs

@@ -1533,7 +1533,7 @@ export const { firstOf, every } = register(['firstOf', 'every'], function (n, fu
 
 /**
  * Like layer, but with a single function:
- * @name _apply
+ * @name apply
  * @memberof Pattern
  * @example
  * "<c3 eb3 g3>".scale('C minor').apply(scaleTranspose("0,2,4")).note()

packages/tonal/voicings.mjs

@@ -31,6 +31,7 @@ export const voicingDictionaries = {
  *   '7alt': ['3M 7m 10m 13m 15P'],
  *   '7#11': ['7m 10m 13m 15P 17m'],
  * }, ['C3', 'C6'])
+ * "<C^7 A7 Dm7 G7>".voicings('cookie').note()
  */
 export const addVoicings = (name, dictionary, range = ['F3', 'A4']) => {
   Object.assign(voicingDictionaries, { [name]: { dictionary, range } });