Added most of Bavaria's lines

[verbuchselt]

All references are from the official bavarian state agency for rail BEG: https://bahnland-bayern.de/files/media/shop/downloads/liniennetzplan/2024/liniennetzplan-bayern-2024.pdf

+added Bayerische Zugspitzbahn line RB 64 +added Erfurter Bahn GmbH lines for bavaria +added Waldbahn lines +added Oberpfalzbahn lines ~reorganized Bayerische Regiobahn lines under single operator "brb" +added S-Bahn Salzburg lines S3 and S4 of Bayerische Regiobahn +added Regio-S-Bahn Donau-Iller lines RS3, RS5 and RS51 of SWEG +added Regio-S-Bahn Donau-Iller lines RS7 and RS71 of DB Regio Bayern +added Main-Spessart-Express lines of DB Regio Bayern +added Neigetechniknetz Nordostbayern lines of DB Regio Bayern +added agilis Mitte lines +added agilis Nord lines +added Mainfranken-Thüringen-Express lines RE 7 and RE 57 of DB Regio Südost +added Mainfrankenbahn lines of DB Regio Bayern ~corrected line RE 23 of alex-dlb

[oneiricbotcelot]

After a quick glance I think that merging this pull request resulted in duplicate entries in the dataset for at least

• Regio-S-Bahn Donau-Iller
• S-Bahn Salzburg

[verbuchselt]

After a quick glance I think that merging this pull request resulted in duplicate entries in the dataset for at least

* Regio-S-Bahn Donau-Iller

* S-Bahn Salzburg

Yes, unfortunately, I've overseen this.

I'll fix this with another pull request, along with a fix for the duplicate and faulty alex-dlb-lines and some color corrections for the brb-lines.

[verbuchselt]

This is now addressed with #164