first experiments with note entity

src/entities/note.js

@@ -0,0 +1,17 @@
+"use strict";
+
+class Note {
+    constructor(sql, row) {
+        this.sql = sql;
+
+        for (const key in row) {
+            this[key] = row[key];
+        }
+    }
+
+    async attributes() {
+        return this.sql.getAll("SELECT * FROM attributes WHERE noteId = ?", [this.noteId]);
+    }
+}
+
+module.exports = Note;