Update README.md

Author: iHiD

README.md

@@ -1,3 +1,11 @@
 # Exercism's Ruby Analyzer
 
 This is Exercism's automated analyzer for the Ruby track.
+
+it is run with `./bin/analyze.sh $EXERCISM $PATH_TO_FILES` and will write a JSON file with an analysis to the same directory.
+
+For example:
+
+```bash
+./bin/analyze.sh two_fer ~/solution-238382y7sds7fsadfasj23j/
+```