Update LitGPT references in README.md (#90) #316

Job	Run time
check-schema / schema	9s
check-docs / make-docs (html)	2m 3s
check-docs / make-docs (doctest)	1m 2s
check-docs / make-docs (linkcheck)	1m 19s
check-typing / mypy	2m 15s
check-package / init-store	7s
check-package / pkg-build (ubuntu-latest)	25s
check-package / pkg-check (ubuntu-latest, 3.8)	1m 18s
check-package / pkg-check (ubuntu-latest, 3.10)	1m 41s
check-package / pkg-check (macos-latest, 3.8)	2m 15s
check-package / pkg-check (macos-latest, 3.10)	1m 37s
check-package / pkg-check (windows-latest, 3.8)	3m 30s
check-package / pkg-check (windows-latest, 3.10)	3m 0s
check-package / pkg-guardian	1s
	20m 42s

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