refactor/core: migrate core controller to TypeScript

[liangyuanruo]

Problem

Addresses #144

Solution

Improvements:

• Renamed new module to Home to better reflect it's purpose and not pollute the Core
• Removed unnecessary injection of user into index.view.server.html from req.session

[karrui]

can we also add some integration tests? :P examples are in any of the .routes.spec.ts files

[liangyuanruo]

can we also add some integration tests? :P examples are in any of the .routes.spec.ts files

noted but I'd like to prioritise getting this into production. it'll be obvious if it's broken anyway, since the frontend won't load at all.