basic entity support with lazy loaded relations

src/entities/note_revision.js

@@ -0,0 +1,11 @@
+"use strict";
+
+const Entity = require('./entity');
+
+class NoteRevision extends Entity {
+    async getNote() {
+        return this.sql.getEntity("SELECT * FROM notes WHERE noteId = ?", [this.noteId]);
+    }
+}
+
+module.exports = NoteRevision;