Eslint: Add _ variables ignore unused for Typescript

eslint.config.js

@@ -20,6 +20,15 @@ export default defineConfig([
       react: eslintPluginReact,
       reactHooks: eslintPluginReactHooks,
     },
+    rules: {
+      "@typescript-eslint/no-unused-vars": [
+        "error",
+        {
+          "varsIgnorePattern": "^_",
+          "argsIgnorePattern": "^_"
+        }
+      ]
+    },
   },
   eslintPluginReact.configs.flat.recommended,
   eslintPluginReact.configs.flat['jsx-runtime'],