Add a new Express middleware to this project and wire it up correctly. Use when the user asks to add middleware — rate limiting, request guards, validation, logging enrichment, custom auth checks, etc.
$npx -y skills add khaledsaeed18/node-express-boilerplate --skill add-middlewareInstalls into the current project.
Run `npx skills use "https://github.com/khaledsaeed18/node-express-boilerplate" --skill "khaledsaeed18/node-express-boilerplate/add-middleware"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/khaledsaeed18/node-express-boilerplate" that are relevant to the current task. Run `npx skills add "https://github.com/khaledsaeed18/node-express-boilerplate"` and select the relevant skills, then follow their instructions.