Add initial KioskCore and API endpoint for data analysis

- Created a new CSS file for kiosk styles, defining variables, typography, and layout for cards and toolbars.
- Implemented new routes for data anlaysis page

api/src/index.js

@@ -96,6 +96,9 @@ app.use('/params', paramsRoutes)
 const settingsRoutes = require('./routes/settings')
 app.use('/settings', settingsRoutes)
 
+const sessionsRoutes = require('./routes/sessions')
+app.use('/sessions', sessionsRoutes)
+
 app.listen(PORT, '0.0.0.0', () => {
     console.log(`Started on port ${PORT}`);
 });