[3.x] Document Timer autostart in tool scripts #28

Job	Run time
📊 Static / Static Checks (clang-format, black format, file format, documentation checks)	4m 29s
🤖 Android / Template (target=release, tools=no)	15m 7s
🌐 JavaScript / Template (target=release, tools=no)	12m 55s
🍏 iOS / Template (target=release, tools=no)	1m 1s
🐧 Linux / Editor w/ Mono (target=release_debug, tools=yes)	23m 23s
🐧 Linux / Editor and sanitizers (target=debug, tools=yes, use_asan=yes, use_ubsan=yes, linker=gold)	29m 52s
🍎 macOS / Editor (target=release_debug, tools=yes)	1m 13s
🏁 Windows / Editor (target=release_debug, tools=yes)	22m 11s
🐧 Linux / Template w/ Mono (target=release, tools=no)	2m 20s
☁ Server / Linux Headless w/ Mono (target=release_debug, tools=yes)	16m 20s
🍎 macOS / Template (target=release, tools=no)	57s
🏁 Windows / Template (target=release, tools=no)	13m 19s
🐧 Linux / Minimal template (target=release, tools=no, everything disabled)	1m 55s
☁ Server / Linux Server w/ Mono (target=release, tools=no)	44s
	2h 25m 46s

Provide feedback