added various repo badges

Author: B3none

README.md

@@ -1,5 +1,10 @@
 [![CircleCI](https://circleci.com/gh/csgo-league/csgo-league-web/tree/develop.svg?style=svg)](https://circleci.com/gh/csgo-league/csgo-league-web/tree/develop)
 [![HitCount](http://hits.dwyl.io/csgo-league/csgo-league-web.svg)](http://hits.dwyl.io/csgo-league/csgo-league-web)
+[![Maintenance](https://img.shields.io/badge/Maintained%3F-yes-green.svg)](https://github.com/csgo-league/csgo-league-web/graphs/commit-activity)
+[![GitHub release](https://img.shields.io/github/release/csgo-league/csgo-league-web.svg)](https://github.com/csgo-league/csgo-league-web/releases/)
+[![Github all releases](https://img.shields.io/github/downloads/csgo-league/csgo-league-web/total.svg)](https://github.com/csgo-league/csgo-league-web/releases/)
+[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com)
+[![Open Source Love svg3](https://badges.frapsoft.com/os/v3/open-source.svg?v=103)](https://github.com/csgo-league)
 
 # CS:GO League Web
 A web application for PUG statistics.