Add line number

[polgarc]

Add line number, as the existing name field is not really that informative.

Extract from the output of the example.py:

http://transport.opendata.ch/v1/connections?from=Z%C3%BCrich%2C+Blumenfeldstrasse&to=Z%C3%BCrich+Oerlikon%2C+Bahnhof&limit=4&page=0&isArrivalTime=0&direct=0&sleeper=0&couchette=0&bike=0
Train connections: Zürich, Blumenfeldstrasse -> Zürich Oerlikon, Bahnhof
{0: {'departure': '2024-01-13T15:14:00+0100', 'duration': '00d00:11:00', 'delay': 0, 'transfers': 0, 'number': '012768', 'line': 'B61', 'platform': None}, 1: {'departure': '2024-01-13T15:29:00+0100', 'duration': '00d00:11:00', 'delay': 0, 'transfers': 0, 'number': '013090', 'line': 'B61', 'platform': None}, 2: {'departure': '2024-01-13T15:35:00+0100', 'duration': '00d00:15:00', 'delay': None, 'transfers': 0, 'number': '018659', 'line': 'S6', 'platform': None}, 3: {'departure': '2024-01-13T15:44:00+0100', 'duration': '00d00:11:00', 'delay': None, 'transfers': 0, 'number': '013439', 'line': 'B61', 'platform': None}}
{'departure': '2024-01-13T15:14:00+0100', 'duration': '00d00:11:00', 'delay': 0, 'transfers': 0, 'number': '012768', 'line': 'B61', 'platform': None}

'line': 'B61' means bus line 61, which is more informative than 'number': '013439'.

Other examples are

• T10 (tram)
• IR36 (train)
• S16 (train)

[fabaff]

Change looks good to me.

[polgarc]

@fabaff thanks for the review and the merge. Could you please release 0.5.0 too? I'd like to use it in a Home Assistant change. Thanks in advance.