fix: add language switch and window dock buttons to shell top bar

Restored from old top.ui:
- i18n/language.ui: language switcher
- Svg app-dock: show_windows_panel for minimized windows

wwwroot/index.ui

@@ -83,6 +83,30 @@
                         }
                     ]
                 },
+                {
+                    "widgettype": "urlwidget",
+                    "options": {
+                        "url": "{{entire_url('i18n/language.ui')}}"
+                    }
+                },
+                {
+                    "widgettype": "Svg",
+                    "options": {
+                        "css": "clickable",
+                        "rate": 2,
+                        "tip": "显示所有已最小化的窗口",
+                        "url": "{{entire_url('/bricks/imgs/app-dock.svg')}}"
+                    },
+                    "binds": [
+                        {
+                            "wid": "self",
+                            "event": "click",
+                            "actiontype": "script",
+                            "target": "app",
+                            "script": "bricks.app.show_windows_panel(event)"
+                        }
+                    ]
+                },
                 {
                     "widgettype": "urlwidget",
                     "options": {