Return an error if trying to add an existing intent

Return an error if trying to add an existing intent

Add the Discord link to the README.md

Remove credentials when they are wrong

Add documentation to README.md links

Add errors to dashboard for the chart

Add errors to dashboard for the chart

Create chat, and finalises the dashboard API, olivia-ai#68

Moves the websocket handler from main.go to its own package, chat. Move the logs for the dashboard and the chat to their own packages.

Fix a spell mistake inside the movies module

Removing some intents