Host knowledge DB on the internet

[mondaychen]

• [ ] DB host
• [ ] update extension to fetch from host
• [ ] allow extension to fetch and merge multiple knowledge bases
• [ ] UI for updating knowledge + validation
• [ ] Auth
• [ ] UI for forking
• [ ] UI for submitting merge request to main DB

As of now, knowledge is stored here as JSON files: https://github.com/normal-computing/web-wand/tree/main/src/helpers/knowledge

We want to create a independent host for it, so that it can be dynamically updated for every user. At the same time, we should create a web UI so that users can login to create and update their own rulesets. They can also request their ruleset to be merged to the base ruleset.