Migrate to Websocket #2

Current codebase is quite a spaghetti and people get confused what is where and why

Swipes are entered to eventlog collection in presence proxy https://git.k-space.ee/k-space/presence-proxy/src/branch/master/main.py#L65
Slack talks to API endpoint in member site which inserts events to eventlog https://git.k-space.ee/k-space/members-site/src/branch/master/app/main.py#L1349
Members site buttons insert events to eventlog https://git.k-space.ee/k-space/members-site/src/branch/master/app/main.py#L349
Card management is inside members site
UID hash allowed list and open door commands from eventlog are served by doorboy proxy https://git.k-space.ee/k-space/doorboy-proxy/src/branch/master/main.py

I suggest first moving all door related code from presence proxy to doorboy proxy and switch over to WebSocket to simplify communication