Drop: Select quality of cards based on drop rates

config/constants.js

@@ -0,0 +1,20 @@
+const QUALITY = {
+    BAD : 1,
+    OK : 2,
+    GOOD : 3,
+    GREAT : 4,
+    EXCELLENT : 5,
+    SHINY : 6
+}
+
+const QUALITY_NAMES = {
+    1 : "Bad",
+    2 : "Ok",
+    3 : "Good",
+    4 : "Great",
+    5 : "Excellent",
+    6 : "Shiny"
+}
+
+exports.QUALITY = QUALITY;
+exports.QUALITY_NAMES = QUALITY_NAMES;