fix: visitor metrics for v2 and use cf headers

fix docker build for ui

fix keydown submit on send

update md files

add v1-v2 oneclick navigation and v2 landing page

rewrite v2 descriptions in human language

show navbar on login screen also

minor fix for about page

fix linting

Implement phase 3

fix nginx rendering and v1 static file issues

fix wrong templating on image tag

update ci for ui

Implement phase 3 partially

update plan.phase2 [skip ci]