enhance: improve avatar decoration

locales/index.d.ts

@@ -1147,6 +1147,10 @@ export interface Locale {
     "privacyPolicyUrl": string;
     "tosAndPrivacyPolicy": string;
     "avatarDecorations": string;
+    "attach": string;
+    "detach": string;
+    "angle": string;
+    "flip": string;
     "_announcement": {
         "forExistingUsers": string;
         "forExistingUsersDescription": string;

locales/ja-JP.yml

@@ -1144,6 +1144,10 @@ privacyPolicy: "プライバシーポリシー"
 privacyPolicyUrl: "プライバシーポリシーURL"
 tosAndPrivacyPolicy: "利用規約・プライバシーポリシー"
 avatarDecorations: "アイコンデコレーション"
+attach: "付ける"
+detach: "外す"
+angle: "角度"
+flip: "反転"
 
 _announcement:
   forExistingUsers: "既存ユーザーのみ"