Improve eslint settings

This fixes an erroneous eslint typescript warning

Author: jbuckner

package.json

@@ -56,6 +56,9 @@
       "@typescript-eslint/no-unused-vars": [
         "error"
       ],
+      "no-shadow": "off",
+      "@typescript-eslint/no-shadow": ["error"],
+      "class-methods-use-this": "off",
       "import/no-unresolved": "off",
       "import/extensions": [
         "warn",