Migrate to GitHub Pages

[reukiodo]

Code automagically deploys to https://uwrit.github.io/kpmp_ds/

Migrate existing KPMP apps to utilize GitHub Pages discovery service instead of welcome.kpmp.org

[reukiodo]

Our list of KPMP SP entityIDs:
https://dcc.kpmp.org
https://demo.kpmp.org/shibboleth
https://dev-datamanager.kpmp.org/shibboleth
https://dev-dpr.kpmp.org/shibboleth
https://dev-mydata.kpmp.org/shibboleth
https://dev-upload.kpmp.org/shibboleth
https://dpr.kpmp.org/shibboleth
https://kpmp-spec-track.chscc.biostat.washington.edu
https://mydata.kpmp.org/shibboleth
https://qa-datamanager.kpmp.org/shibboleth
https://qa-dpr.kpmp.org/shibboleth
https://qa-mydata.kpmp.org/shibboleth
https://qa-upload.kpmp.org/shibboleth
https://staging1.kpmp.org/shibboleth
https://staging2.kpmp.org/shibboleth
https://staging3.kpmp.org/shibboleth
https://staging4.kpmp.org/shibboleth
https://staging5.kpmp.org/shibboleth
https://upload.kpmp.org/shibboleth
https://welcome.kpmp.org/shibboleth