feat: string 추가 (#147)

core/design-system/src/main/res/values/strings.xml

@@ -73,6 +73,7 @@
     <string name="organization_creation_promotion_placeholder">코드를 입력해 주세요.</string>
 
     <string name="organization_creation_success_title">그룹을 만들었어요!</string>
+    <string name="organization_invitation_title">링크를 복사했습니다!</string>
     <string name="organization_creation_success_sub_title">링크를 통해 멤버들을 초대해 보세요.</string>
     <string name="organization_creation_success_home_button">그룹 메인으로</string>
     <string name="organization_creation_success_copy_button">초대 링크 복사</string>