Working on README

tsconfig.json

@@ -1,12 +1,13 @@
 {
   "compilerOptions": {
-    "target": "ES2018", // ~node10
+    "target": "ES2019",
     "module": "commonjs",
     "lib": [
       "es2015",
       "es2016",
       "es2017",
-      "es2018"
+      "es2018",
+      "es2019"
     ],
     "declaration": true,
     "declarationMap": true,
@@ -22,6 +23,7 @@
     "src/Accessories/.ts"
   ],
   "exclude": [
-    "**/*.spec.ts"
+    "**/*.spec.ts",
+    "node_modules"
   ]
 }