add settings page (frontend currently broken!)

frontend/src/views/SettingsView.vue

@@ -0,0 +1,18 @@
+<template>
+    <div class="about">
+        <h1>Settings</h1>
+        <h3>Engines</h3>
+    </div>
+</template>
+
+<script>
+import run_script from '@/background.js'
+
+export default {
+    methods: {
+        run() {
+            run_script( 'ls' )
+        }
+    }
+}
+</script>