Made reference to xslx2csv (https://github.com/tealeg/xlsx2csv) as an example of how to use XLSX.

doc.go

@@ -1,5 +1,9 @@
 // xslx is a package designed to help with reading data from
 // spreadsheets stored in the XLSX format used in recent versions of
 // Microsoft's Excel spreadsheet.
+//
+// For a concise example of how to use this library why not check out
+// the source for xlsx2csv here: https://github.com/tealeg/xlsx2csv
+
 package xlsx