Update uploader.md (#635)
Update uploader.md (#635)

I saw many people asking for this:
https://github.com/quasarframework/quasar/issues/883
https://github.com/quasarframework/quasar/issues/2630
https://github.com/quasarframework/quasar/issues/2659

Let's document filter functionality this with this example
quasarframework/quasar-framework.org,rstoenescu/quasar-site,rstoenescu/quasar-site,rstoenescu/quasar-site,quasarframework/quasar-framework.org,quasarframework/quasar-framework.org