fix: update Dockerfile and enhance article deletion route

- Changed the COPY command in Dockerfile to reference workers.json directly.
- Added basic authentication middleware to the article deletion route for improved security.

web/backend/Dockerfile

@@ -18,7 +18,7 @@ COPY middlewares/ ./middlewares/
 COPY routes/ ./routes/
 COPY services/ ./services/
 COPY utils/ ./utils/
-COPY ../../workers.json ./workers.json
+COPY workers.json ./workers.json
 
 # Exponer puerto
 EXPOSE 3001