Exclude more build files from the output

Author: PeterJCLaw

_config.yml

@@ -56,13 +56,16 @@ user_tracking: true
 
 exclude:
   - README.md
+  - cspell.json
   - Rakefile
   - Gemfile
   - Gemfile.lock
   - gems/
   - Dockerfile
   - docker-compose.yml
   - node_modules/
+  - package-lock.json
+  - package.json
   - _env/
   - _docs/
   - vendor/