Add some javascript

[turol]

Add javascript functionality

[turol]

Current video time left should count with javascript.

[turol]

Use a websocket connection to send new media and receive updates. Should disable auto-reload.

[turol]

Should keep list of videos current user tried to add so can highlight is they error.

[turol]

Mousing over a link should some extra info.

[turol]

No NPM, yarn or other bullshit. All dependencies must either be available as Debian packages or manually vetted and vendored.