feat(frontend): 自分のプロフィールページの二次元コード(QRコード)を表示し、他の人のコードを読み取りするページを追加 (#16456)

* wip (qr.show.vue)

* added to navbar

* qr.show.vue

* fix

* added to navbar

* fix size

* 🎨

* 🎨

* fix div warn

* fix

* use * 0.25

* fix??

* fix lint

* clean up

* ???

* ?

* fix

* 🎨

* 🎨

* refactor

* 🎨

* 🎨

* :ar:t

* 🎨

* iphone flip

* no lazy import

* 🎨

* 🎨

* 🎨

* ユーザー全部flipでいいや

* ✌️

* fix

* fix

* fix lint

* 🎨

* fix type

* fix: local user profile url cannot be resolved with ap/show

* fix: local user url with hostname could not be resolved

* chore: use common utility for checking self host

* wip

* 🎨

* 🎨

* fix imports

* fix

* fix

* fix

* 🎨

* fix...

* set spacer-w

* ✌️

* 全画面でQRを読むように

* fix

* 🎨

* modify navbar.ts

* start/stop on vue activation

* display raw content read from qr

* 端末のQRをスキャンするボタンを追加

* chore

* やっぱりmfmを先に表示する

* 🎨

* fix 18n

* QRの内容は/users/:userIdにする

* add spdx

* use cqh

* `defineProps` is a compiler macro and no longer needs to be imported.

* use MkUserName

* 🎨

* 🎨

* refactor

* clean up

* refactor

* 🎨

* Update qr.show.vue

* Misskeyロゴにdrop-shadowを追加

* clean up: do not use empty css

* fix os.select usage

* Update qr.vue

* Update qr.show.vue

* Update qr.show.vue

* Update get-user-menu.ts

* ✌️

* Update show.ts

* Update ja-JP.yml

* watermark

* Update CHANGELOG.md

* Update qr.read.vue

* Update qr.read.vue

* wip

* Update MkWatermarkEditorDialog.Layer.vue

---------

Co-authored-by: anatawa12 <anatawa12@icloud.com>
Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/frontend/src/utility/get-user-menu.ts

@@ -215,6 +215,16 @@ export function getUserMenu(user: Misskey.entities.UserDetailed, router: Router
 		});
 	}
 
+	if ($i && meId === user.id) {
+		menuItems.push({
+			icon: 'ti ti-qrcode',
+			text: i18n.ts.qr,
+			action: () => {
+				router.push('/qr');
+			},
+		});
+	}
+
 	if (notesSearchAvailable && (user.host == null || canSearchNonLocalNotes)) {
 		menuItems.push({
 			icon: 'ti ti-search',