Overhaul NodePath documentation #379

Job	Run time
📊 Static checks / Code style, file formatting, and docs	5m 56s
🍏 iOS / Template (target=template_release)	17m 11s
🤖 Android / Template (target=template_release)	28m 15s
🐧 Linux / Editor w/ Mono (target=editor)	34m 44s
🐧 Linux / Editor with doubles and GCC sanitizers (target=editor, tests=yes, dev_build=yes, scu_build=yes, precision=double, use_asan=yes, use_ubsan=yes, linker=gold)	36m 35s
🍎 macOS / Editor (target=editor, tests=yes)	21m 5s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	33m 27s
🏁 Windows / Editor (target=editor, tests=yes)	41m 51s
🍎 macOS / Template (target=template_release)	4m 4s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	27m 33s
🏁 Windows / Template (target=template_release)	29m 37s
🐧 Linux / Template w/ Mono (target=template_release)	1m 41s
🐧 Linux / Minimal template (target=template_release, everything disabled)	3m 3s
🌐 Web / Template (target=template_release)	1m 17s
🪲 Godot CPP / Build and test Godot CPP	6m 45s
	4h 53m 4s

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