docusaurus config has relaxed tsc settings

[avkonst]

this code compiles in docs code samples, but it should not:

    let aa: (v: {}) => void = (v: { prop: 1 }) => { }

a well as this is not trapped by tsc:

    let aa: (v: {}) => void = (v: { prop: number }) => { v.prop = 2 }