chore: added badges to README

Author: nergal-perm

.gitignore

@@ -17,4 +17,6 @@ buildNumber.properties
 .classpath
 
 # IntelliJ IDEA
-.idea/
+.idea/
+*.iws
+*.iml

README.md

@@ -1,3 +1,8 @@
 # set-property-value-storage
 
+[![PDD status](https://www.0pdd.com/svg?name=Decision-Driven-Development/set-property-value-storage)](https://www.0pdd.com/p?name=Decision-Driven-Development/set-property-value-storage)
+[![Hits-of-Code](https://hitsofcode.com/github/Decision-Driven-Development/set-property-value-storage)](https://hitsofcode.com/github/Decision-Driven-Development/set-property-value-storage/view)
+
+---
+
 A successor to the EAV (Entity-Attribute-Value) storage schema