Automatic merge of T1.5.1-1732-gfdbea15ea and 17 pull requests

- Pull request #570 at f11a428: glTF 2.0 support with PBR lighting
- Pull request #1030 at d3ae4a2: Refactor settings, in prep for settings exporter
- Pull request #1052 at 3b5cb90: Content Manager: Add axle count, and lowest derail force
- Pull request #1062 at bbc0013: Train Forces popup Window.
- Pull request #1064 at cb510d6: Add Train Info tab to Help window (F1)
- Pull request #1066 at 62c89c1: Log derailment, using TraceInformation.
- Pull request #892 at 1f5ba4c: Signal Function OPP_SIG_ID_TRAINPATH
- Pull request #1049 at 6a0c471: Re-organise document storage and access
- Pull request #1057 at 254b6d4: Switchable brake system
- Pull request #1069 at 3f153f0: Mouse wheel control only with Alt – Followup for #1051
- Pull request #1070 at f818e40: Fix a NullReferenceException in TCS scripts
- Pull request #1071 at 722dd3f: Change cover image for v1.6
- Pull request #1074 at e9a66c1: Gradient - commit 2024-16-12
- Pull request #1076 at d1ff8fd: Allow depart early
- Pull request #1077 at 7e73abd: Fix SME brakes not working
- Pull request #1079 at 5e37059: Adds Polish transations
- Pull request #1078 at 9ab642e: Default PowerSupply script for steam locomotives

Author: openrails-bot

Source/Locales/Contrib/Contrib.pot

@@ -1,8 +1,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2025-01-25 11:57:31+0000\n"
-"PO-Revision-Date: 2025-01-25 11:57:33+0000\n"
+"POT-Creation-Date: 2025-04-26 11:25:57+0100\n"
+"PO-Revision-Date: 2025-04-26 11:25:59+0100\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "MIME-Version: 1.0\n"