* Prysm web UI basic idea
* Refactor to use shared.Service interface, add sanity test
* register web server
* Determine mimetype
* Use 4242 as port for web
* Allow localhost or 127.0.0.1 for CORS. More tests, commentary
* Add flags, add site_data.go
* ignore site data
* Add sha
* gofmt
* gofmt
* fix script
* Lints
* fix vis
Co-authored-by: Victor Farazdagi <simple.square@gmail.com>