Add Claude vs ChatGPT API pricing comparison report (Word)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitignore

@@ -117,3 +117,5 @@ temp/
 
 # Manus version file (auto-generated, not part of source)
 client/public/__manus__/version.json
+deploy/node_modules/
+deploy/package*.json