Feature: qui widget (#7192)

Co-authored-by: yorah <yoram.harmelin@gmail.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

public/locales/en/common.json

@@ -256,6 +256,16 @@
         "leech": "Leech",
         "seed": "Seed"
     },
+    "qui": {
+        "leech": "Leech",
+        "download": "Download",
+        "seed": "Seed",
+        "upload": "Upload",
+        "total": "Total",
+        "errored": "Errored",
+        "ratio": "Ratio",
+        "freeSpace": "Free"
+    },
     "qnap": {
         "cpuUsage": "CPU Usage",
         "memUsage": "MEM Usage",