chore(lang): updated translations from crowdin

Co-authored-by: Crowdin Homarr <190541745+homarr-crowdin[bot]@users.noreply.github.com>

packages/translation/src/lang/ja.json

@@ -2,16 +2,16 @@
   "init": {
     "step": {
       "start": {
-        "title": "",
+        "title": "Homarrへようこそ",
         "subtitle": "",
         "description": "",
         "action": {
-          "scratch": "",
+          "scratch": "ゼロからスタート",
           "importOldmarr": ""
         }
       },
       "import": {
-        "title": "",
+        "title": "データのインポート",
         "subtitle": "",
         "dropzone": {
           "title": "",
@@ -1457,7 +1457,12 @@
     "mediaServer": {
       "name": "",
       "description": "",
-      "option": {}
+      "option": {},
+      "items": {
+        "user": "",
+        "name": "",
+        "id": ""
+      }
     },
     "downloads": {
       "name": "",