Add logging

Simply log search params to response code.

index.js

@@ -20,6 +20,7 @@ const server = http.createServer(async (req, res) => {
   const badgeUrl = await getBadgeUrl(searchParams)
 
   if (badgeUrl === null) {
+    console.log(JSON.stringify(searchParams), 404)
     res.writeHead(404, {})
     res.write('No badge available.')
     res.end()
@@ -33,6 +34,7 @@ const server = http.createServer(async (req, res) => {
   })
   res.writeHead(200, { 'content-type': 'image/svg+xml', })
   response.data.on('finish', () => {
+    console.log(JSON.stringify(searchParams), 200)
     res.end()
   })
   response.data.pipe(res)