add a script to automate rules export

[veritem]

add a script that automates how rules are exported in index.ts file. may be a file that returns an object of all rules exported to be reused in index file?

eslint-plugin-vitest/src/index.ts

Line 4 in e5dfc40

import lowerCaseTitle, {

this should continue on the work I had started in script/generate.ts