feat: type the plugin host record, move plugin strings out of core and add lint checks

plugins/tailscale/locales/translated/zh_TW.json

@@ -16,5 +16,13 @@
     "tailscaleCheckOpenBrowser": "開啟瀏覽器進行身份驗證",
     "tailscaleCheckWaiting": "正在等待 Tailscale 身份驗證…",
     "tailscaleCheckTimeout": "Tailscale身份驗證逾時，請重試。"
+  },
+  "newUi": {
+    "sidebar": {
+      "quickConnect": {
+        "connectToTerminal": "連線至終端機",
+        "usernameLabel": "使用者名稱"
+      }
+    }
   }
 }