To generate site, run bundler exec ruby sitegen.rb (run bundler install first if it tells you to).
To host local server on Port 8008, run ruby -run -e httpd ./out -p 8008 (install webrick first if it tells you to)
Page data lives in page/. Is semi-standard markdown with ERB templating.
The main stylesheet is page/main.scss.
Templates from template/ are autoloaded as functions. The call arguments go into targ and kwarg.
All the P2 Instruction sheet parsing happens in plugin/opdata_p2.rb
Images can go into page/ or common/.