chore: Code changes & formatting and linting (#3552)

* Do some code changes & run prettier and eslint

* Fix test:test-type script

* Apply code review suggestions

* update heartbeat interval & add a reason for the specific value

* Fix husky error

* Update to TS 5.5

And use ${configDir}

* Fix test.json tsconfig base

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Co-authored-by: Skillz4Killz <23035000+Skillz4Killz@users.noreply.github.com>

denoImportMap.json

@@ -18,4 +18,4 @@
     "@discordeno/gateway": "./packages/gateway/dist/esm/index.js",
     "@discordeno/bot": "./packages/bot/dist/esm/index.js"
   }
-}
+}