Update README.md: fix links and remove redundant instructions

some minor fix code

Update buildTwilioVoiceController according Twilio Adapter 0.1.8 build

Add modifiers for TwilioVoiceController events

Make to conform ViewModel by the TwilioVoiceControllable protocol

Use TwilioVoiceAdapter for the UIKit TwilioQuickstart

Apply TwilioVoiceBuilder to the UIKit ViewController

Remove local TwilioVoicePackage and use TvilioVoiceController instead ov ViewModel for the two projects

Update README.md

Update README.md

Update README.md

Use external TwilioVoiceAdapter package got the SwiftUI project

bug fixes

add comments and format readme.md file

Remove public attribute from the package methods