added TODOs, improved password validation

src/routes/sample.spec.ts

@@ -4,6 +4,9 @@ import NoteModel from '../models/note';
 import NoteFieldModel from '../models/note_field';
 import TestHelper from "../test/helper";
 
+// TODO: generate output for ML in format DPT -> data, implement filtering, field selection
+// TODO: write script for data import
+// TODO: delete everything (measurements, condition) with sample
 
 describe('/sample', () => {
   let server;