Add es_EC translation

locale/es_EC.po

@@ -0,0 +1,19 @@
+# 
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "field:party.party,sale_shipment_grouping_method:"
+msgid "Sale Shipment Grouping Method"
+msgstr "Método de Agrupación de los Envíos de Venta"
+
+msgctxt "selection:party.party,sale_shipment_grouping_method:"
+msgid "None"
+msgstr "Ninguno"
+
+msgctxt "selection:party.party,sale_shipment_grouping_method:"
+msgid "Standard"
+msgstr "Estándar"
+
+msgctxt "view:party.party:"
+msgid "Shipments"
+msgstr "Envíos"