[anodized] docs: further refine README #682

Job	Run time
Check formatting	13s
Lint and test anodized-logic	26s
Lint and test anodized-core	20s
Lint and test anodized-fmt	33s
Lint and test anodized with cfg ``	34s
Lint and test anodized with cfg `--config 'build.rustflags=["--cfg","anodized_discard_specs"]'`	37s
Lint and test anodized with cfg `--config 'build.rustflags=["--cfg","anodized_print"]'`	40s
Lint and test anodized with cfg `--config 'build.rustflags=["--cfg","anodized_panic"]'`	39s
	4m 2s

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