feat(eom): migrated eom endpoints from old version validated working

backend/prodSql/queries/eom.lastPurchasePrice.sql

@@ -0,0 +1,15 @@
+use AlplaPROD_test1
+
+SELECT plant=(SELECT Wert FROM dbo.T_SystemParameter (nolock) WHERE (Bezeichnung = 'Werkskuerzel')),
+plantName=(SELECT Wert FROM dbo.T_SystemParameter AS T_SystemParameter (nolock) WHERE (Bezeichnung = 'Mandant-intern')),*
+    from 
+    (Select IdBestellung as 'Purchase order number', 
+	IdArtikelVarianten AS AV, 
+	BestellMenge, 
+	BestellMengeVPK,
+	PreisProEinheit, 
+	convert(varchar,Lieferdatum,23) as deliveryDate, 
+	ROW_NUMBER() over(partition by IdArtikelVarianten order by Lieferdatum desc) rn 
+from dbo.V_Bestellpositionen_PURCHASE (nolock)
+    where PositionsStatus = '7' or PositionsStatus = '6' or PositionsStatus = '5' and convert(varchar,Lieferdatum,23) > DATEADD(year, -5, GetDate()) )a
+     where rn = 1