Fix typo in Introduction section

[FazleRabbbiferdaus172]

Fix typo: "LISt Processing" to "LIST Processing" in the introduction section

Summary

(Explain what this change is attempting to accomplish)
Typo fix in the introduction section from "LISt Processing" to "LIST Processing".

Checklist

• If docs where changed run ./bin/configlet generate to ensure all documents are properly generated.
• CI is green

[github-actions]

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