Add welcome widget

src/client/app.vue

@@ -188,8 +188,11 @@ export default Vue.extend({
 				return {
 					left: [],
 					right: [{
-						name: 'calendar',
+						name: 'welcome',
 						id: 'a', place: 'right', data: {}
+					}, {
+						name: 'calendar',
+						id: 'b', place: 'right', data: {}
 					}, {
 						name: 'trends',
 						id: 'c', place: 'right', data: {}

src/client/widgets/index.ts

 import Vue from 'vue';
 
+Vue.component('mkw-welcome', () => import('./welcome.vue').then(m => m.default));
 Vue.component('mkw-memo', () => import('./memo.vue').then(m => m.default));
 Vue.component('mkw-notifications', () => import('./notifications.vue').then(m => m.default));
 Vue.component('mkw-timeline', () => import('./timeline.vue').then(m => m.default));

src/client/widgets/welcome.vue

+<template>
+<div class="mkw-welcome _panel" v-if="meta">
+	<div class="banner" :style="{ backgroundImage: `url(${ meta.bannerUrl })` }"></div>
+	<div class="body">
+		<h1 class="name" v-html="meta.name || host"></h1>
+		<div class="desc" v-html="meta.description || $t('introMisskey')"></div>
+		<mk-button @click="signup()" style="display: inline-block; margin-right: 16px;" primary>{{ $t('signup') }}</mk-button>
+		<mk-button @click="signin()" style="display: inline-block;">{{ $t('login') }}</mk-button>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import { toUnicode } from 'punycode';
+import XSigninDialog from '../components/signin-dialog.vue';
+import XSignupDialog from '../components/signup-dialog.vue';
+import MkButton from '../components/ui/button.vue';
+import { host } from '../config';
+import define from './define';
+
+export default define({
+	name: 'welcome',
+	props: () => ({
+	})
+}).extend({
+	components: {
+		MkButton
+	},
+
+	data() {
+		return {
+			host: toUnicode(host),
+		};
+	},
+
+	computed: {
+		meta() {
+			return this.$store.state.instance.meta;
+		},
+	},
+
+	created() {
+		this.$root.api('stats').then(stats => {
+			this.stats = stats;
+		});
+	},
+
+	methods: {
+		signin() {
+			this.$root.new(XSigninDialog, {
+				autoSet: true
+			});
+		},
+
+		signup() {
+			this.$root.new(XSignupDialog, {
+				autoSet: true
+			});
+		}
+	}
+});
+</script>
+
+<style lang="scss" scoped>
+.mkw-welcome {
+	overflow: hidden;
+
+	> .banner {
+		height: 90px;
+		background-size: cover;
+		background-position: center center;
+	}
+
+	> .body {
+		padding: 16px;
+
+		> .name {
+			font-size: 1.2em;
+			margin: 0 0 0.5em 0;
+		}
+
+		> .desc {
+			font-size: 0.9em;
+		}
+	}
+}
+</style>