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

---------

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

packages/frontend/src/boot/common.ts

@@ -4,9 +4,9 @@
  */
 
 import { computed, watch, version as vueVersion } from 'vue';
-import type { App } from 'vue';
 import { compareVersions } from 'compare-versions';
 import { version, lang, updateLocale, locale } from '@@/js/config.js';
+import type { App } from 'vue';
 import widgets from '@/widgets/index.js';
 import directives from '@/directives/index.js';
 import components from '@/components/index.js';
@@ -21,6 +21,7 @@ import { reloadChannel } from '@/scripts/unison-reload.js';
 import { getUrlWithoutLoginId } from '@/scripts/login-id.js';
 import { getAccountFromId } from '@/scripts/get-account-from-id.js';
 import { deckStore } from '@/ui/deck/deck-store.js';
+import { analytics, initAnalytics } from '@/analytics.js';
 import { miLocalStorage } from '@/local-storage.js';
 import { fetchCustomEmojis } from '@/custom-emojis.js';
 import { setupRouter } from '@/router/main.js';
@@ -241,6 +242,19 @@ export async function common(createVue: () => App<Element>) {
 		await fetchCustomEmojis();
 	} catch (err) { /* empty */ }
 
+	// analytics
+	fetchInstanceMetaPromise.then(async () => {
+		await initAnalytics(instance);
+
+		if ($i) {
+			analytics.identify($i.id);
+		}
+
+		analytics.page({
+			path: window.location.pathname,
+		});
+	});
+
 	const app = createVue();
 
 	setupRouter(app, createMainRouter);