Add missing locale options

src/drivers/webextension/_locales/en/messages.json

@@ -15,6 +15,10 @@
 	"categoryName3":            { "message": "Database Manager" },
 	"categoryName4":            { "message": "Documentation Tool" },
 	"categoryName5":            { "message": "Widget" },
+	"categoryName6":            { "message": "Ecommerce" },
+	"categoryName7":            { "message": "Photo Galleries" },
+	"categoryName8":            { "message": "Wikis" },
+	"categoryName9":            { "message": "Hostin Panels" },
 	"categoryName10":           { "message": "Analytics" },
 	"categoryName11":           { "message": "Blog" },
 	"categoryName12":           { "message": "JavaScript Framework" },