feat: new uniqueness indicator

public/locales/en/translation.json

@@ -31,7 +31,8 @@
   "uniqueness": {
     "high": "Pretty unique",
     "moderate": "Moderately unique",
-    "low": "Not so unique"
+    "low": "Typical",
+    "description": "UNIQ shows how unique the name is (0 to 100)"
   },
   "countryCode": "us",
   "try": "How about this?",

public/locales/ja/translation.json

@@ -29,9 +29,10 @@
     "firebase": "Firebase"
   },
   "uniqueness": {
-    "high": "とてもユニーク",
+    "high": "超ユニーク",
     "moderate": "そこそこユニーク",
-    "low": "あまりユニークではない"
+    "low": "普通",
+    "description": "UNIQ は名前がどれくらいユニークかを示しています（0から100）"
   },
   "countryCode": "jp",
   "try": "これはどう？",