fix: key text showing focus outline

fix: layout selectable

src/routes/api/firmware/+page.json

@@ -0,0 +1,6 @@
+{
+  "CHARACHORDER ONE M0": {
+    "latest": "1.1.3",
+    "next": null
+  }
+}

src/routes/update-guide/+page.svelte

@@ -0,0 +1,7 @@
+<script lang="ts">
+  import {LL} from "../../i18n/i18n-svelte"
+</script>
+
+<h1>{$LL.update.TITLE()}</h1>
+
+<a href="https://github.com/CharaChorder/CCOS-firmware/blob/main/CHANGELOG.md" target="_blank">Changelog</a>