* (swap) prism -> shiki

* fix styles

* (bump) aiscript-vscode to v0.0.5

* refactor

* replace prism-editor (beta)

* Update scratchpad.vue

* (enhance) MkCodeEditor自動インデント改行

* (fix) lint

* (add) scratchpad: MkStickyContainer

* Update CHANGELOG.md

* clean up

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Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>