Updated Release notes (markdown)

Release-notes.md

@@ -1,3 +1,27 @@
+# v5.3.97
+
+Purchase orders
+Send email set on blank contact vendor
+Handle negative surcharges
+Adjust memory settings for queue work
+Scaffold for PDF generation for purchase orders
+Vendor PDFs
+Translations for purchase orders
+Add client include for quotes
+Fixes for variable naming
+Purchase Order Actions
+Update for invoice designs
+Fixes for invoice sum calculations
+Fixes for csv imports - exclude deleted data
+Update product request
+Update language files for inventory management
+Add activity events for purchase orders
+Update front end dependencies
+Remove logging for google analytics data
+Purchase Order Events
+Event / Listeners for Purchase Orders
+
+
 # v5.3.95
 
 Revert zip package