Added search and select stations

[iamriya]

Added search and select station for journey planner page from available data. For now, used data of Blue line of Hyderabad metro map. #26
Map link: https://hmrl.co.in/route-map.html

[SAITARUN55]

Do check the slack group, please...I had updated there

[iamriya]

Need suggestions for finding the route between two stations when it involves change in the line at some intermediate station (refer https://hmrl.co.in/route-map.html).

[shilpi1958]

A Flutter Application for Tracking the CTA L train through location services.
https://github.com/mmadde10/cta_tracker/blob/master/lib/middleware/arrival_data.dart

[shilpi1958]

For frontend:
https://cybdom.tech/flutter-tutorial-transportation-app/

[shilpi1958]

API for Delhi Metro route finder app
https://github.com/theamanbhargava/DelhiMetro-GraphAPI

delhi-metro-api
https://www.npmjs.com/package/delhi-metro-api

[SAITARUN55]

API for Delhi Metro route finder app
https://github.com/theamanbhargava/DelhiMetro-GraphAPI

delhi-metro-api
https://www.npmjs.com/package/delhi-metro-api

She is doing for Hyderabad metro

[prasadsunny1]

This pull request needs to be closed and
And created again for development branch of tarun metro app.

Also fix any conflicts as needed