Add banner to docs about offline access #1168

Job	Run time
Check & Compile	5m 20s
Build for macOS (x64)	2m 21s
Build for Windows (x64)	7m 40s
Build for Linux/AppImage (x64)	1m 38s
Build for macOS (arm64)	2m 9s
WPILib: Build for Linux (x64)	1m 28s
Build for Windows (arm64)	6m 3s
Build for Linux/AppImage (arm64)	2m 2s
WPILib: Build for Linux (arm64)	1m 16s
Build for Linux/AppImage (armv7l)	1m 41s
WPILib: Build for macOS (x64)	2m 4s
WPILib: Build for Windows (x64)	4m 51s
WPILib: Build for macOS (arm64)	1m 51s
WPILib: Build for Windows (arm64)	5m 31s
Finalize Release	0s
	45m 55s

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