Uninstall functionality (#97)

* feat: POC uninstallation feature

* Fixes, placeholder

* bugfix: wrong function call

* add oncancel and change function called

* clean up plugin uninstall code

* bugfix, uninstall in store

* Limit scope of feature branch

* feat: PluginLoader.unloadPlugin

* problematic logs

frontend/src/components/settings/index.tsx

@@ -1,6 +1,7 @@
 import { SidebarNavigation } from 'decky-frontend-lib';
 
 import GeneralSettings from './pages/GeneralSettings';
+import PluginList from './pages/PluginList';
 
 export default function SettingsPage() {
   return (
@@ -13,6 +14,11 @@ export default function SettingsPage() {
           content: <GeneralSettings />,
           route: '/decky/settings/general',
         },
+        {
+          title: 'Plugins',
+          content: <PluginList />,
+          route: '/decky/settings/plugins',
+        },
       ]}
     />
   );