Update readme.md

Author: javadev

src/main/kotlin/g1201_1300/s1211_queries_quality_and_percentage/readme.md

@@ -57,4 +57,12 @@ The query result format is in the following example.
     | Cat        | 0.66    | 33.33                 | 
     +------------+---------+-----------------------+
 
-**Explanation:** Dog queries quality is ((5 / 1) + (5 / 2) + (1 / 200)) / 3 = 2.50 Dog queries poor_ query_percentage is (1 / 3) * 100 = 33.33 Cat queries quality equals ((2 / 5) + (3 / 3) + (4 / 7)) / 3 = 0.66 Cat queries poor_ query_percentage is (1 / 3) * 100 = 33.33 
+**Explanation:**
+
+Dog queries quality is ((5 / 1) + (5 / 2) + (1 / 200)) / 3 = 2.50
+
+Dog queries poor_ query_percentage is (1 / 3) * 100 = 33.33
+
+Cat queries quality equals ((2 / 5) + (3 / 3) + (4 / 7)) / 3 = 0.66
+
+Cat queries poor_ query_percentage is (1 / 3) * 100 = 33.33