README fixes

lib/firestore.js

@@ -5,7 +5,7 @@ var admin = require("firebase-admin");
 var path = require('path');
 var util = require('util');
 var Connector = require('loopback-connector').Connector;
-// var debug = require('debug')('loopback:connector:firestore');
+var debug = require('debug')('loopback:connector:firestore');
 
 exports.initialize = function initializeDataSource(dataSource, callback) {
 	dataSource.connector = new Firestore(dataSource.settings);

package.json

@@ -5,6 +5,7 @@
 	"main": "index.js",
 	"repository": "dyaa/loopback-connector-firestore",
 	"dependencies": {
+		"debug": "^3.1.0",
 		"firebase-admin": "^5.4.1",
 		"loopback-connector": "4.3.0"
 	},

yarn.lock

@@ -446,7 +446,7 @@ dashdash@^1.12.0:
   dependencies:
     assert-plus "^1.0.0"
 
-[email protected]:
+[email protected], debug@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
   dependencies: