dutch-tax-income-calculator

Add period to pro-rate salary

Merge pull request #37 from stevermeister/fix/seo-h1-in-html-shell

fix(seo): move h1 to HTML shell so crawlers see it without JS

Merge pull request #36 from stevermeister/fix/routing-sanitize-query-params

fix(routing): map invalid params to null instead of filtering them out