Allow unused underscore args

Author: Pytal

.eslintrc.json

@@ -15,6 +15,7 @@
   },
   "plugins": ["@typescript-eslint"],
   "rules": {
+    "no-unused-vars": ["error", { "argsIgnorePattern": "^_" }],
     "indent": ["error", 2],
     "linebreak-style": ["error", "unix"],
     "quotes": ["error", "single"],