chore: update readme for pointing latest network installation #301

Job	Run time
nix-build-book	30s
nix-fmt-check	24s
nix-build (fuel, ubuntu-latest)	45s
nix-build (fuel, macos-latest)	2m 25s
nix-build (fuel, macos-arm)	27s
nix-build (fuel-beta-3, ubuntu-latest)	42s
nix-build (fuel-beta-3, macos-latest)	1m 50s
nix-build (fuel-beta-3, macos-arm)	17s
nix-build (fuel-beta-4, ubuntu-latest)	37s
nix-build (fuel-beta-4, macos-latest)	1m 53s
nix-build (fuel-beta-4, macos-arm)	19s
nix-build (fuel-nightly, ubuntu-latest)	42s
nix-build (fuel-nightly, macos-latest)	2m 6s
nix-build (fuel-nightly, macos-arm)	18s
nix-build (sway-vim, ubuntu-latest)	25s
nix-build (sway-vim, macos-latest)	1m 26s
nix-build (sway-vim, macos-arm)	15s
nix-develop (ubuntu-latest)	1m 34s
nix-develop (macos-latest)	3m 16s
nix-develop (macos-arm)	18s
	20m 29s

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