feat(store): integrate postgres with ent for domain management

ent/predicate/predicate.go

@@ -0,0 +1,10 @@
+// Code generated by ent, DO NOT EDIT.
+
+package predicate
+
+import (
+	"entgo.io/ent/dialect/sql"
+)
+
+// Domain is the predicate function for domain builders.
+type Domain func(*sql.Selector)