i18n: add missing translations

src/lib/components/chat/Settings/Advanced/AdvancedParams.svelte

@@ -1102,7 +1102,7 @@
 			{#if (params?.use_mmap ?? null) !== null}
 				<div class="flex justify-between items-center mt-1">
 					<div class="text-xs text-gray-500">
-						{params.use_mmap ? 'Enabled' : 'Disabled'}
+						{params.use_mmap ? $i18n.t('Enabled') : $i18n.t('Disabled')}
 					</div>
 					<div class=" pr-2">
 						<Switch bind:state={params.use_mmap} />
@@ -1143,7 +1143,7 @@
 			{#if (params?.use_mlock ?? null) !== null}
 				<div class="flex justify-between items-center mt-1">
 					<div class="text-xs text-gray-500">
-						{params.use_mlock ? 'Enabled' : 'Disabled'}
+						{params.use_mlock ? $i18n.t('Enabled') : $i18n.t('Disabled')}
 					</div>
 
 					<div class=" pr-2">

src/lib/components/chat/Settings/Audio.svelte

@@ -263,7 +263,7 @@
 							bind:value={TTSEngineConfig.dtype}
 							placeholder={$i18n.t('Select dtype')}
 						>
-							<option value="" disabled selected>Select dtype</option>
+							<option value="" disabled selected>{$i18n.t('Select dtype')}</option>
 							<option value="fp32">fp32</option>
 							<option value="fp16">fp16</option>
 							<option value="q8">q8</option>

src/lib/components/chat/Settings/Interface/ManageFloatingActionButtonsModal.svelte

@@ -55,7 +55,7 @@
 				>
 					<div>
 						<div class="text-xs flex items-center justify-between mb-2">
-							<div class="font-medium">Actions</div>
+							<div class="font-medium">{$i18n.t('Actions')}</div>
 
 							<div class="flex items-center gap-2 text-gray-700 dark:text-gray-300">
 								<button