Exclude source folders and files unnecessary for deployment.
Exclude source folders and files unnecessary for deployment.

Exclude the "less" folder, and "Gruntfile.js", "package.json", and "README.md" files from being copied to the "_site" destination folder as they are unnecessary for deployment of the site.
physics-society/physics-society.github.io,seriouspentest/seriouspentest.github.io,ZASMan/zasman.github.io,shaohua0720/shaohua0720.github.io,shobhitpuri/shobhitpuri.github.io,allenshi820/allenshi820.github.io,physics-society/physics-society.github.io,seriouspentest/seriouspentest.github.io,physics-society/physics-society.github.io,ZASMan/zasman.github.io,seriouspentest/seriouspentest.github.io,allenshi820/allenshi820.github.io,shobhitpuri/shobhitpuri.github.io,shaohua0720/shaohua0720.github.io,physics-society/physics-society.github.io,ZASMan/zasman.github.io,shobhitpuri/shobhitpuri.github.io,shaohua0720/shaohua0720.github.io,allenshi820/allenshi820.github.io