chore: Use correct helper file after refactoring

Author: TheAlexLichter

src/base64.js

@@ -1,4 +1,4 @@
-import { isBrowser } from './helpers'
+import { isBrowser } from './helpers/index'
 
 // Courtesy: https://developer.mozilla.org/en-US/docs/Web/API/WindowBase64/Base64_encoding_and_decoding#The_Unicode_Problem
 

src/dtmf.js

@@ -1,4 +1,4 @@
-import { throwOrSilent } from './helpers'
+import { throwOrSilent } from './helpers/index'
 
 const decode = (input, options = {}) => {
   options = { ...DEFAULT_OPTIONS, ...options }

src/fractionatedMorse.js

@@ -1,5 +1,5 @@
 import morse from './morse'
-import { throwOrSilent } from './helpers'
+import { throwOrSilent } from './helpers/index'
 
 export const decode = (input, options = {}) => {
   options = { ...DEFAULT_OPTIONS, ...options }

src/manchester.js

@@ -1,4 +1,4 @@
-import { throwOrSilent } from './helpers'
+import { throwOrSilent } from './helpers/index'
 
 const decode = (input, options = {}) => {
   options = { ...DEFAULT_OPTIONS, ...options }

src/morse.js

@@ -1,4 +1,4 @@
-import { throwOrSilent } from './helpers'
+import { throwOrSilent } from './helpers/index'
 
 export const decode = (input, options = {}) => {
   options = { ...DEFAULT_OPTIONS, ...options }

src/multiTap.js

@@ -1,4 +1,4 @@
-import { throwOrSilent } from './helpers'
+import { throwOrSilent } from './helpers/index'
 
 export const encode = (input, options = {}) => {
   options = { ...DEFAULT_OPTIONS, ...options }

src/pollux.js

@@ -1,6 +1,6 @@
 /* eslint-disable no-unused-vars */
 import morse from './morse'
-import { randomInRange } from './helpers'
+import { randomInRange } from './helpers/index'
 
 export const decode = (input, keys = {}, morseOptions = {}) => {
   sanitizeKeys(keys)