Add drone file, cleanup Astro config

astro.config.mjs

@@ -1,13 +1,8 @@
 import { defineConfig } from 'astro/config'
 import preact from '@astrojs/preact'
-import node from '@astrojs/node'
 
 import mdx from '@astrojs/mdx'
 
-import remarkToc from 'remark-toc'
-import rehypeSlug from 'rehype-slug'
-import rehypeAutolinkHeadings from 'rehype-autolink-headings'
-
 // https://astro.build/config
 export default defineConfig({
     server: {
@@ -19,13 +14,5 @@ export default defineConfig({
         },
     },
     integrations: [preact(), mdx()],
-    // adapter: node({
-    //     mode: 'standalone',
-    // }),
-    output: 'hybrid',
-    outDir: './out/astro',
-    build: {
-        client: './out/astro/client',
-        server: './out/astro/server',
-    },
+    output: 'static'
 })