refactor titles of each mini dapp guide page

[kjeom]

✨ Proposed Changes

• Simplified title of each page in mini dapp section

🗂️ Types of changes

• Minor Issues and Typos
• Major Content Contribution
• Others (e.g. platform-specific changes)

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✅ Checklist

• I have read the CONTRIBUTING GUIDELINES.
• I have added necessary documentation (if appropriate).
• Any dependent changes have been merged and published in downstream modules.

📌 Related issues

💡 Further comments

[scott-klaytn]

Suggested change

	Open this file in VS Code and paste the `KaiaPlugin.jslib` source code in [Appendix A](../minidapps/convert-unity-liff.md#appendix-a):
	Open this file in VS Code and paste the `KaiaPlugin.jslib` source code in [Appendix A](convert-unity-liff.md#appendix-a):

[github-actions]

Remaining comments which cannot be posted as a review comment to avoid GitHub Rate Limit

vale

docs/minidapps/unity/convert-unity-liff.md|37 col 48| [Google.Exclamation] Don't use exclamation points in text.
docs/minidapps/unity/convert-unity-liff.md|267 col 13| [Vale.Terms] Use 'url' instead of 'URL'.
docs/minidapps/unity/convert-unity-liff.md|273 col 1| [Google.Exclamation] Don't use exclamation points in text.
docs/minidapps/unity/convert-unity-liff.md|273 col 77| [Google.Exclamation] Don't use exclamation points in text.
docs/minidapps/unity/integrate-web3-unity.md|46 col 16| [Vale.Spelling] Did you really mean 'onlyOwner'?
docs/minidapps/unity/integrate-web3-unity.md|57 col 38| [Google.Exclamation] Don't use exclamation points in text.
docs/minidapps/unity/integrate-web3-unity.md|60 col 38| [Vale.Spelling] Did you really mean 'Kairos'?
docs/minidapps/unity/integrate-web3-unity.md|124 col 13| [Google.Quotes] Commas and periods go inside quotation marks.
docs/minidapps/unity/integrate-web3-unity.md|125 col 14| [Google.Quotes] Commas and periods go inside quotation marks.
docs/minidapps/unity/integrate-web3-unity.md|129 col 28| [Google.Quotes] Commas and periods go inside quotation marks.
docs/minidapps/unity/setting-build-template.md|206 col 28| [Vale.Terms] Use 'dApp' instead of 'Dapp'.
docs/minidapps/unity/setting-build-template.md|209 col 78| [Vale.Terms] Use 'dApp' instead of 'Dapp'.
docs/minidapps/unity/setting-build-template.md|212 col 58| [Vale.Terms] Use 'dApp' instead of 'Dapp'.
docs/minidapps/unity/setting-build-template.md|226 col 10| [Google.Quotes] Commas and periods go inside quotation marks.
docs/minidapps/unity/setting-build-template.md|227 col 12| [Google.Quotes] Commas and periods go inside quotation marks.
docs/minidapps/unity/setting-build-template.md|263 col 49| [Vale.Terms] Use 'dApp' instead of 'Dapp'.
docs/minidapps/unity/setting-build-template.md|292 col 52| [Vale.Terms] Use 'dApp' instead of 'Dapp'.