Add Kill Switch section

Currently there's a nasty bug which doesn't allow users from navigating
from the "Kill Switch" section to any other section of the app (see bug
twpowertools:59), but everything else is working.

Change-Id: I3c71352b1899e4ddf9ba5886aa1434a5a1ed93eb
diff --git a/frontend/src/pages/MiniMessage.vue b/frontend/src/pages/MiniMessage.vue
new file mode 100644
index 0000000..8f87ca8
--- /dev/null
+++ b/frontend/src/pages/MiniMessage.vue
@@ -0,0 +1,42 @@
+<script>
+import Page from './utils/Page.vue';
+
+export default {
+  props: [
+    'icon',
+  ],
+  components: {
+    Page,
+  },
+};
+</script>
+
+<template>
+  <page mini>
+    <div class="layout">
+      <mcw-material-icon class="main-icon" :icon="icon" />
+      <span class="label"><slot></slot></span>
+    </div>
+  </page>
+</template>
+
+<style lang="scss" scoped>
+@use "@material/theme/color-palette" as palette;
+
+.layout {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  margin: 16px 0;
+}
+
+.main-icon {
+  font-size: 75px;
+  color: palette.$grey-800;
+}
+
+.label {
+  margin-top: 14px;
+  text-align: center;
+}
+</style>