Add stock pricelist admin flow with mapping placeholders and warehouse details

migrations/015_add_lot_partnumbers.sql

@@ -0,0 +1,7 @@
+CREATE TABLE IF NOT EXISTS lot_partnumbers (
+    partnumber VARCHAR(255) NOT NULL,
+    lot_name VARCHAR(255) NOT NULL DEFAULT '',
+    description VARCHAR(10000) NULL,
+    PRIMARY KEY (partnumber, lot_name),
+    INDEX idx_lot_partnumbers_lot_name (lot_name)
+);