Added DeepSource badge

README.md

@@ -1,3 +1,5 @@
 # shorty
 
+[![DeepSource](https://deepsource.io/gh/pczajkowski/shorty.svg/?label=active+issues&show_trend=true)](https://deepsource.io/gh/pczajkowski/shorty/?ref=repository-badge)
+
 My very own link shortener. Definitely not to be used with heavy traffic. Written as an exercise to see if it's hard to make one.