docs: Clean documentation README's. #15

Job	Run time
Runtime / Deno Lint	8s
Compiler / Lint and Check	23s
CLI / Lint and Check	1m 4s
Compiler / Test and Release	1m 13s
CLI / Release (aarch64-apple-darwin)	3m 3s
CLI / Release (x86_64-apple-darwin)	2m 16s
CLI / Release (x86_64-unknown-linux-musl)	2m 34s
CLI / Release (aarch64-unknown-linux-musl)	2m 47s
Runtime / Deno Test	30s
Host / time	24s
Host / storage	28s
Host / dom	22s
Host / network	34s
Std / test	53s
Std / re	1m 13s
Std / math	1m 29s
Std / json	1m 15s
CLI / Test	1m 43s
Cloudflare Upload (CDN)	37s
Docs / Build	57s
Demo	24s
Docs / Deploy	21s
	24m 38s

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