Document how to ignore files

eslint-config/README.md

@@ -24,5 +24,22 @@ export default config.configs.react;
 
 To run eslint, you'll just need `eslint .` or `eslint . --fix`.
 
+### Ignores files
+If you need to ignore specific files (for example, the build output)
+
+```js
+// eslint.config.js
+import config from "./eslint-config/index.js";
+
+export default [
+  ...config.configs.default,
+  {
+    ignores: [
+      "dist/"
+    ],
+  },
+];
+```
+
 ## Versioning
 Except for patch versions, all packages in from [@tree-company/linting-config](https://github.com/tree-company/linting-config) are released at the same time, with the same version.