feat: enhance markdown rendering

Adds remark-breaks for newline-to-br conversion and a custom
remarkSplitBlocks plugin to split paragraphs at hard breaks. Code blocks
over 15KB are truncated with a 'Show all' toggle for better
performance.

nuxt.config.ts

@@ -117,10 +117,12 @@ export default defineNuxtConfig({
                 'remark-parse',
                 'remark-rehype',
                 'remark-math',
+                'remark-breaks',
                 'rehype-katex',
                 'unist-util-visit',
                 'comlink',
-                'nanoid'
+                'nanoid',
+                'drizzle-orm/pg-core'
             ],
         },
         build: {
@@ -135,6 +137,12 @@ export default defineNuxtConfig({
     //     viewTransition: true,
     // },
 
+    // nitro: {
+    //     experimental: {
+    //         wasm: true
+    //     }
+    // },
+
     modules: [
         '@nuxt/hints',
         '@unocss/nuxt',