{ "headers": [ { "source": "/(.*).txt", "headers": [{"key": "Content-Type", "value": "text/plain; charset=utf-8"}] }, { "source": "/(.*).html", "headers": [{ "key": "Content-Type", "value": "text/html; charset=utf-8" }] }, { "source": "/(.*).css", "headers": [{ "key": "Content-Type", "value": "text/css; charset=utf-8" }] }, { "source": "/(.*).js", "headers": [{ "key": "Content-Type", "value": "text/js; charset=utf-8" }] }, { "source": "/(.*).py", "headers": [{"key": "Content-Type", "value": "text/plain; charset=utf-8"}] } ] }