[UI] Create CFP page

[bgjug]

Create page for session submissions similar to the one in the old site: https://jug.bg/%D0%BF%D1%80%D0%B5%D0%B4%D0%BB%D0%BE%D0%B6%D0%B8-%D1%82%D0%B5%D0%BC%D0%B0/

[gochev]

Sending of email only ahs to be added,

basically an email has to be send using gmail smtp .. (should be configured in the quarkus properties file) and the email should be send to [email protected] with the content of everything from the CFP.