Using Buffer instead of string

Co-authored-by: perillamint <perillamint@silicon.moe>

This commit implements HTTP header and body validation to fix
[SIF-2023-002](https://advisory.silicon.moe/advisory/sif-2023-002/

)

Signed-off-by: perillamint <perillamint@silicon.moe>
Co-authored-by: perillamint <perillamint@silicon.moe>
Co-authored-by: yunochi <yuno@yunochi.com>

* (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>

* update deps

* wip

* wip

* update deps

* fix

* wip

* wip

* wip

* Update docker-compose.yml.example

* Delete reviewer-lottery.yml

* Update RepositoryModule.ts

* wip

* wip

* clean up

* update deps

* wip

* wip