Add web frontend panel skeleton & Vue environment

web-frontend/src/App.vue

@@ -0,0 +1,28 @@
+<template>
+	<MainWindow />
+</template>
+
+<script lang="ts">
+import { Options, Vue } from "vue-class-component";
+import MainWindow from "./components/window/MainWindow.vue";
+
+@Options({
+	components: {
+		MainWindow,
+	},
+})
+export default class App extends Vue {}
+</script>
+
+<style lang="scss">
+html, body, #app {
+	margin: 0;
+	height: 100%;
+	font-family: "Segoe UI", Arial, sans-serif;
+	font-size: 14px;
+	line-height: 1;
+	color: #ddd;
+	background: #222;
+	user-select: none;
+}
+</style>