fix: Resolve TypeScript errors

Signed-off-by: Hermes Agent <hermes@nosuchhost>

client/node_modules/eslint/messages/extend-config-missing.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = function (it) {
+	const { configName, importerName } = it;
+
+	return `
+ESLint couldn't find the config "${configName}" to extend from. Please check that the name of the config is correct.
+
+The config "${configName}" was referenced from the config file in "${importerName}".
+
+If you still have problems, please stop by https://eslint.org/chat/help to chat with the team.
+`.trimStart();
+};