update copyright and add a root route

backend/app.py

@@ -14,3 +14,7 @@ def sendData():
     response = jsonify([s.getData(), l.getData(), u.getABI()])
     response.headers.add('Access-Control-Allow-Origin', '*')
     return response
+
+@app.route('/')
+def renderTable()
+    return render_template('index.html')

backend/sensors.py

@@ -1,6 +1,6 @@
 # sensors.py - a module for interfacing to the sensors
 '''Module for interfacing with TeraHz sensors'''
-# Copyright 2019 Kristjan Komloši
+# Copyright 2019, 2020 Kristjan Komloši
 # All code in this file is licensed under the ISC license, provided in LICENSE.txt
 import serial as ser
 import pandas as pd