add settings page with reset app: clears keychain secrets and SQLite cache

apps/desktop/src/lib/components/EvmDashboard.svelte

@@ -14,6 +14,7 @@
 	import ArrowDown from '@lucide/svelte/icons/arrow-down'
 	import ArrowUp from '@lucide/svelte/icons/arrow-up'
 	import QrCodeIcon from '@lucide/svelte/icons/qr-code'
+	import SettingsIcon from '@lucide/svelte/icons/settings'
 	import Fingerprint from '@lucide/svelte/icons/fingerprint'
 	import * as Dialog from '$lib/components/ui/dialog/index.js'
 	import QRCode from 'qrcode'
@@ -252,6 +253,9 @@
 					<Button onclick={() => w.refresh()} disabled={w.loading}>
 						{w.loading ? 'Refreshing...' : 'Refresh'}
 					</Button>
+					<Button variant="outline" onclick={() => navigate('/settings')}>
+						<SettingsIcon size={16} />
+					</Button>
 					<Button variant="outline" onclick={() => w.lock()}>
 						Lock
 					</Button>