feat: add icons, better suited than emojis

src/utils/markdown/markdown-it-tabler-icons.ts

@@ -0,0 +1,10 @@
+import { markdownItPlugin } from "./markdown-it-regexp"
+
+// Matches :icon-name: where icon-name is letters, digits, hyphens
+export const markdownItTablerIcons = markdownItPlugin(
+  /:([\w-]+):/,
+  (match) => {
+    const name = match[0][1]
+    return `<i class="ti ti-${name}"></i>`
+  },
+)