create _includes/js/custom.js

delete _includes/js/custom.js

create _includes/lunr/custom-index.js

delete _includes/lunr/custom-index.js

update _config.yml

create _config.yml

delete _config.yml

create _config.yml

delete _config.yml

update Gemfile

upload files

upload files

upload files

update .github/workflows/build.yml

create _config.yml

update .github/workflows/build.yml

delete content/blog/1d-collisions/index.md

update .github/workflows/build.yml