refactor(types,utils,rest,bot)!: Cleanup types & files (#3951)

* Cleanup some un-used & sort types, split files

* Remove commented code from reverse/component.ts

* Fix type error on the bot E2E test

* Add comment, remove DiscordInteractionResponse

* Remove camel.ts

* Error on unusedImport, refactor type imports

* Run biome check

* fix: typo

* Update comments for skuId and defaultValues

---------

Co-authored-by: Awesome Stickz <awesome@stickz.dev>

examples/bigbot/src/rest/index.ts

@@ -1,4 +1,4 @@
-import { type RequestMethods } from '@discordeno/bot'
+import type { RequestMethods } from '@discordeno/bot'
 import { REST_HOST, REST_PORT } from '../config.js'
 import { buildFastifyApp, parseMultiformBody } from './fastify.js'
 import restManager, { logger } from './restManager.js'