fix: icon fix

[fr1g]

司马chromium又在整他那个标准化吧

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PR-Codex overview

This PR primarily focuses on the deletion of several markdown files related to the SparkPixel server, the introduction of new content for Project Lappland and Project Pure, and updates to various documentation and server rules.

Detailed summary

• Deleted files related to SparkPixel: eula.md, team.md, index.md, rules.md, banlist.md, guidance.md, punishments.md.
• Added story.md for Project Lappland outlining its RPG elements.
• Added exam.md for Project Pure detailing server capabilities.
• Updated README.md with new contributors.
• Introduced rules and gameplay sections for Project Lappland.
• Added connection info and gameplay rules for CMFS Pure.
• Modified sidebar structure in zhCN/CMFS/index.md to reflect server changes.

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