fix: inline some svg icons (#414)

* fix icon flickering

* formatting fix

Author: CommanderStorm

astro.config.mjs

@@ -2,10 +2,11 @@
 import { defineConfig } from "astro/config";
 import mdx from "@astrojs/mdx";
 import solidJs from "@astrojs/solid-js";
+import icon from "astro-icon";
 
 export default defineConfig({
   base: "",
-  integrations: [mdx(), solidJs()],
+  integrations: [mdx(), solidJs(), icon()],
   output: "static",
   prefetch: true,
   site: "https://maplibre.org/",