Improve MisskeyPages

* ifブロック を追加
* ボタンやスイッチなどのテキストに変数使えるようにした

src/client/app/common/views/pages/page/page.if.vue

@@ -0,0 +1,30 @@
+<template>
+<div v-show="script.vars.find(x => x.name === value.var).value">
+	<x-block v-for="child in value.children" :value="child" :page="page" :script="script" :key="child.id" :h="h"/>
+</div>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+
+export default Vue.extend({
+	props: {
+		value: {
+			required: true
+		},
+		script: {
+			required: true
+		},
+		page: {
+			required: true
+		},
+		h: {
+			required: true
+		}
+	},
+
+	beforeCreate() {
+		this.$options.components.XBlock = require('./page.block.vue').default
+	},
+});
+</script>