advtrains_supplemental/advtrains_doc_integration: Doc mod integration for AdvTrains (by y5nw)

spogulis no https://notabug.org/y5nw/advtrains_doc_integration.git

Y. Wang 9af31611b4 Add header to sections		1 gadu atpakaļ
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advtrains_doc_integration.de.tr	d603166fcc Correct translation for "preset"	2 gadi atpakaļ
template.txt	9af31611b4 Add header to sections	1 gadu atpakaļ