docs: add more ref between guide and ref docs

[Peefy]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• [x] N

• [ ] Y

• docs: add more ref between guide and ref docs

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Name	Status	Preview	Comments	Updated (UTC)
kcl-lang-io	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 9, 2024 4:15am