feat: google analytics (#15451)

* wip backend

* wip frontend

* build misskey-js

* implement control panel

* fix

* introduce analytics wrapper

* spdx

* Update analytics.ts

* Update common.ts

* wip

* wip

* wip

* wip

* wip

* Update CHANGELOG.md

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Co-authored-by: kakkokari-gtyih <67428053+kakkokari-gtyih@users.noreply.github.com>

packages/backend/src/core/entities/MetaEntityService.ts

@@ -97,6 +97,7 @@ export class MetaEntityService {
 			enableTurnstile: instance.enableTurnstile,
 			turnstileSiteKey: instance.turnstileSiteKey,
 			enableTestcaptcha: instance.enableTestcaptcha,
+			googleAnalyticsMeasurementId: instance.googleAnalyticsMeasurementId,
 			swPublickey: instance.swPublicKey,
 			themeColor: instance.themeColor,
 			mascotImageUrl: instance.mascotImageUrl ?? '/assets/ai.png',