docs(lint-staged): added JSDoc config file (#4560)

* docs(`lint-staged`): added JSDoc config file

* Update .lintstagedrc.js

Author: mfranzke

.config/.lintstagedrc-prettier.js

@@ -1,3 +1,6 @@
+/**
+ * @type {import('lint-staged').Configuration}
+ */
 export default {
 	'**/*': 'prettier --write --ignore-unknown'
 };

.config/.lintstagedrc.js

@@ -1,3 +1,6 @@
+/**
+ * @type {import('lint-staged').Configuration}
+ */
 export default {
 	'*.md': 'markdownlint -c .config/.markdown-lint.yml',
 	// In case that we're changing the stylelints configuration files content, we would need to validate it