Add documentation for KUKA Sunrise features and programs

- Created a new document for the Station interface, detailing its menu structure, process data, safety functions, frames, and smartPAD function buttons.
- Added a document for RobotPowerControl, explaining its purpose for safely shutting down or restarting the KUKA Sunrise Cabinet controller.
- Introduced ServerFriRos2 documentation, outlining its role in establishing an FRI connection between the KUKA LBR iiwa and a ROS 2 computer.
- Documented the TeachKuka application, which allows manual teaching of the KUKA LBR iiwa, including position capturing and trajectory recording.
- Added an overview of Sunrise Workbench, including installation instructions for Windows and Linux.
- Created a section on installing a Windows compatibility tool (PortProton) on Linux.
- Documented the installation process for SunriseWorkbench on Linux using PortProton.
- Added installation instructions for SunriseWorkbench on Windows.
- Created troubleshooting documentation for configuration errors and SSL errors during installation.
- Implemented a hook to generate the shared PDF only during the default-language build.

doc/lwc-doc/hooks/pdf_default_language.py

@@ -0,0 +1,15 @@
+"""Generate the shared PDF only during the default-language build."""
+
+from mkdocs.plugins import event_priority
+
+
+@event_priority(-101)
+def on_config(config):
+    """Disable mkdocs-to-pdf for non-default i18n build passes."""
+    i18n = config.plugins.get("i18n")
+    pdf = config.plugins.get("to-pdf")
+
+    if i18n is not None and pdf is not None:
+        pdf.enabled = i18n.current_language == i18n.default_language
+
+    return config