Add package-lock.json for reproducible builds in CI/CD

- Remove package-lock.json from .gitignore
- Add package-lock.json to repository for npm ci in GitHub Actions
- Ensures consistent dependency versions across environments

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Author: abhishekslab

.gitignore

@@ -3,7 +3,6 @@ node_modules/
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
-package-lock.json
 
 # Runtime data
 pids