docs: Clarify install.sh behavior and Chrome setup. #27

Job	Run time
Runtime / Deno Lint	2m 25s
CLI / Lint and Check	1m 1s
Compiler / Lint and Check	34s
CLI / Release (x86_64-unknown-linux-musl)	2m 52s
CLI / Release (aarch64-unknown-linux-musl)	4m 24s
CLI / Release (aarch64-apple-darwin)	2m 42s
CLI / Release (x86_64-apple-darwin)	3m 20s
Compiler / Test and Release	1m 13s
Runtime / Deno Test	24s
Host / network	34s
Std / test	1m 2s
Std / math	1m 32s
Std / re	1m 32s
Host / dom	33s
Std / json	1m 11s
Host / time	39s
Host / storage	34s
CLI / Test	1m 11s
Docs / Build	1s
Cloudflare Upload (CDN)	1s
Demo	1s
Docs / Deploy	1s
	27m 47s

Provide feedback