Added Claude based docs validator. (#2967)

Author: seanparsons

packages/hydrogen/check-docs.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -e
+
+# Get the absolute path to the src directory.
+SRC_DIR="$(git rev-parse --show-toplevel)/packages/hydrogen/src/"
+
+# Get claude to check the docs.
+claude --print "In the directory $SRC_DIR, there are .doc.ts files which match up with similarly named files that end with .ts or .tsx.\
+Those .doc.ts files describe a series of examples with a description and have file paths which point to example files.\
+Check that the original code referred to matches up with the examples and their description.\
+Please output a list of the files, pairing their filenames with the issues found.\
+Don't output anything about successes or files without any problems.\
+If no issues have been found, please output 'No issues found'."