Added Google TTS, lowercase voices so that people don't have to remember ridiculous case

tts/watson/index.js

@@ -1,50 +0,0 @@
-const BaseEngine = require('../BaseEngine');
-const fetch = require('node-fetch');
-const querystring = require('querystring');
-
-module.exports = class extends BaseEngine {
-	constructor() {
-		super('watson',"IBM Watson TTS", "ogg");
-		this.voices = {};
-		this.populateVoiceList();
-	}
-	async populateVoiceList() {
-		const url = process.env.watsonURL + "/v1/voices";
-		const authorization = this.IBMAuthString();
-		const opts = {
-			method: "get",
-			headers: {
-				'Authorization': authorization
-			},
-		}
-		const res = await fetch(url, opts);
-		const voices = await res.json();
-		voices.voices.forEach((i) => {
-			let voiceName = i.description.substring(0, i.description.indexOf(':'));
-			this.voices[voiceName] = i.name;
-		});
-	}
-	getDefaultVoice() {
-		return 'Michael';
-	}
-	IBMAuthString() {
-		let buff = new Buffer('apikey:' + process.env.watsonAPIKey);
-		let b64auth = buff.toString('base64');
-		return 'Basic ' + b64auth;
-	}
-	async getSpeech(text, voice = this.getSpeechVoice(), params = {}) {
-		const url = process.env.watsonURL + "/v1/synthesize?voice=" + this.getInternalVoiceName(voice);
-		const authorization = this.IBMAuthString();
-		const opts = {
-			method: "post",
-			headers: {
-				'Content-Type': 'application/json',
-				'Authorization': authorization
-			},
-			body: JSON.stringify({
-				text: text
-			})
-		};
-		return fetch(url, opts);
-	}
-};