feat: add memo_resource model

api/memo_resource.go

@@ -0,0 +1,24 @@
+package api
+
+type MemoResource struct {
+	MemoID     int
+	ResourceID int
+	CreatedTs  int64
+	UpdatedTs  int64
+}
+
+type MemoResourceUpsert struct {
+	MemoID     int
+	ResourceID int
+	UpdatedTs  *int64
+}
+
+type MemoResourceFind struct {
+	MemoID     *int
+	ResourceID *int
+}
+
+type MemoResourceDelete struct {
+	MemoID     int
+	ResourceID *int
+}