fix: eliminate all ESLint warnings, promote rules to error, update knip/typedoc config#2281

pethers merged 4 commits intomainHack23/riksdagsmonitor:mainfrom

copilot/fix-eslint-warnings-and-reportingHack23/riksdagsmonitor:copilot/fix-eslint-warnings-and-reportingCopy head branch name to clipboard