Add comments to build badge description creation

xcode/commonFastfile

@@ -87,10 +87,10 @@ end
 
 private_lane :addShield do |options|
   buildNumber = options[:buildNumber]
-  buildDescription = options[:xcconfig_name]
-    .split(/(?=[A-Z])/)
-    .map { |v| v.gsub(/[[:lower:]]+/, "") }[1..2]
-    .join
+  buildDescription = options[:xcconfig_name] # EnterpriseCustomerDev1WithoutSSLPinningRelease
+    .split(/(?=[A-Z])/) # -> ["Enterprise", "Customer", "Dev1", "Without", "S", "S", "L", "Pinning", "Release"]
+    .map { |v| v.gsub(/[[:lower:]]+/, "") }[1..2] # -> ["E", "C", "D1", "W", "S", "S", "L", "P", "R"] -> ["C", "D1"]
+    .join # -> "CD1"
   
   begin
     add_badge(