Add canttalk module, few changes here and there to accomodate for it

tts/espeak/index.js

@@ -3,7 +3,7 @@ const { spawn } = require('child_process')
 
 module.exports = class extends BaseEngine {
 	constructor() {
-		super('ESpeak', 'wav')
+		super('espeak','ESpeak', 'wav')
 	}
 	getDefaultVoice() {
 		return 'en';