TSLint -> ESLint

Author: Mark

.eslintignore

@@ -0,0 +1,2 @@
+dist
+coverage

.eslintrc.js

@@ -0,0 +1,17 @@
+module.exports = {
+    extends: 'eslint:recommended',
+    parser: '@typescript-eslint/parser',
+    plugins: ['@typescript-eslint'],
+    parserOptions: {
+        sourceType: 'module',
+    },
+    env: {
+        browser: true,
+        node: true,
+        es6: true,
+        mocha: true,
+    },
+    globals: {
+        YT: true,
+    },
+};