message: remove lib reference from getTownEconomics
diff: import { articles } from '../src/articles'
  +import { getTownWealth } from './townRender'
  import { Town } from './_common'
  export function getTownEconomics (town: Town): string {
  const roll = town.roll.economics
  const { name } = town
  - const wealth = lib.getTownWealth(town.roll.wealth)
  + const wealth = getTownWealth(town.roll.wealth)
  if (roll > 90) return `Trade in ${name} is heavily regulated, with taxes, tariffs, and restrictions on what can be brought in and out of the ${town.type}, and people live ${articles.output(wealth)} existence because of it. The trade guild strictly enforces the rules, and costs of doing business in ${name} are high.`
  if (roll > 80) return `Trade in ${name} is regulated, with taxes and restrictions on what can be brought in and out of the ${town.type}, and people live ${articles.output(wealth)} existence because of it. The trade guild enforces rules, with stiff penalties and trade bans for rule-breakers.`
  