Updates .ts-eslintrc with new settings, see import-js/eslint-plugin-i…

…mport#653 (comment) and https://typescript-eslint.io/docs/linting/troubleshooting/#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors for the impetus

.ts-eslintrc.js

@@ -19,6 +19,9 @@ module.exports = {
     ],
     rules: {
         "@typescript-eslint/no-floating-promises": 2,
-        "@typescript-eslint/no-misused-promises": 2
+        "@typescript-eslint/no-misused-promises": 2,
+        'no-unused-vars': 'off',
+        '@typescript-eslint/no-unused-vars': ['warn'],
+        'no-undef': 'off',
     }
 };