feat(client): 自動でもっと見るオプション (#6403)

* wip

* ugokanai

* wip

* implement setting subscribing

* fix lint

* ✌️

* Update notifications.vue

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

src/client/pages/preferences/index.vue

@@ -67,6 +67,7 @@
 				<template #desc><mfm text="🍮🍦🍭🍩🍰🍫🍬🥞🍪"/></template>
 			</mk-switch>
 			<mk-switch v-model="showFixedPostForm">{{ $t('showFixedPostForm') }}</mk-switch>
+			<mk-switch v-model="enableInfiniteScroll">{{ $t('enableInfiniteScroll') }}</mk-switch>
 			<mk-switch v-model="disablePagesScript">{{ $t('disablePagesScript') }}</mk-switch>
 		</div>
 		<div class="_content">
@@ -182,6 +183,11 @@ export default Vue.extend({
 			set(value) { this.$store.commit('device/set', { key: 'showFixedPostForm', value }); }
 		},
 
+		enableInfiniteScroll: {
+			get() { return this.$store.state.device.enableInfiniteScroll; },
+			set(value) { this.$store.commit('device/setInfiniteScrollEnabling', value); }
+		},
+
 		sfxVolume: {
 			get() { return this.$store.state.device.sfxVolume; },
 			set(value) { this.$store.commit('device/set', { key: 'sfxVolume', value: parseFloat(value, 10) }); }