ja: create empty strings for new categories

lang/ja.json

@@ -4,6 +4,7 @@
     "category:agriculture": "農業",
     "category:alternative_amenities": "生活環境",
     "category:alternative_routes": "ルート",
+    "category:benches": "",
     "category:buildings": "建物",
     "category:buildings-entrances": "エントランス",
     "category:buildings-figure-ground": "",
@@ -15,6 +16,7 @@
     "category:car_maxspeed": "最高速度",
     "category:car_routes": "車のルート",
     "category:children": "子ども用施設",
+    "category:climbing": "",
     "category:coal": "石炭",
     "category:communication": "情報通信",
     "category:construction": "工事中",
@@ -30,6 +32,7 @@
     "category:financial": "金融",
     "category:gastro": "食べ物",
     "category:gastro-smoking": "禁煙の飲食店",
+    "category:graves": "",
     "category:health": "健康",
     "category:hiking_routes": "ハイキングルート",
     "category:historic": "歴史",
@@ -48,6 +51,7 @@
     "category:organisations": "組織",
     "category:other": "その他",
     "category:outdoor": "アウトドア活動",
+    "category:parks": "",
     "category:phone": "電話",
     "category:places": "場所",
     "category:places_geo": "場所",
@@ -69,6 +73,7 @@
     "category:renewables": "",
     "category:residential": "住居エリア",
     "category:resources": "",
+    "category:roads": "",
     "category:services": "サービス",
     "category:shop": "ショッピング",
     "category:special": "特別",