feat: add system info page (#1033)

* feat: add system info page

* feat: add some code

* fix

web/src/locales/ja/data.json

@@ -198,6 +198,7 @@
     "Swagger": "Swagger",
     "Sync": "Sync",
     "Syncers": "Syncers",
+    "SysInfo": "システム情報",
     "Timestamp": "タイムスタンプ",
     "Tokens": "トークン",
     "URL": "URL",
@@ -593,6 +594,14 @@
     "Table primary key": "テーブルのプライマリキー",
     "Table primary key - Tooltip": "テーブルのプライマリキー - ツールチップ"
   },
+  "system": {
+    "An Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI supporting OAuth 2.0, OIDC, SAML and CAS": "An Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI supporting OAuth 2.0, OIDC, SAML and CAS",
+    "CPU Usage": "CPU Usage",
+    "Community": "Community",
+    "Memory Usage": "Memory Usage",
+    "Official Website": "Official Website",
+    "Version": "Version"
+  },
   "token": {
     "Access token": "アクセストークン",
     "Authorization code": "認証コード",