Add MDX support

Start writing a blog and clean up/hide tester stuff

astro.config.mjs

@@ -1,14 +1,16 @@
 import { defineConfig } from "astro/config";
-
 import syntaxTheme from "./syntax-theme.json";
 
+import mdx from "@astrojs/mdx";
+
 // https://astro.build/config
 export default defineConfig({
-    output: "static",
-    markdown: {
-        syntaxHighlight: "shiki",
-        shikiConfig: {
-            theme: syntaxTheme,
-        },
-    },
-});
+  output: "static",
+  markdown: {
+    syntaxHighlight: "shiki",
+    shikiConfig: {
+      theme: syntaxTheme
+    }
+  },
+  integrations: [mdx()]
+});