dialect/entsql: add helper function for creating table annotation (#3816)

dialect/entsql/annotation.go

@@ -146,6 +146,20 @@ func (Annotation) Name() string {
 	return "EntSQL"
 }
 
+// The Table option allows overriding the default table
+// name that is generated by ent. For example:
+//
+//	func (T) Annotations() []schema.Annotation {
+//		return []schema.Annotation{
+//			entsql.Table("Users"),
+//		}
+//	}
+func Table(t string) *Annotation {
+	return &Annotation{
+		Table: t,
+	}
+}
+
 // Check allows injecting custom "DDL" for setting an unnamed "CHECK" clause in "CREATE TABLE".
 //
 //	entsql.Annotation{