Improve 404 page + improve first article + Add favicon + fix content

package.json

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "private": true,
   "scripts": {
-    "dev": "nuxt-ts",
+    "dev": "nuxt-ts --max-old-space-size=2048",
     "build": "nuxt-ts build",
     "start": "nuxt-ts start",
     "generate": "nuxt-ts generate"
@@ -13,9 +13,11 @@
     "@nuxt/typescript-runtime": "^2.0.0",
     "@nuxtjs/axios": "5.12.3",
     "@tailwindcss/typography": "^0.3.1",
-    "core-js": "^3.8.1",
+    "mermaid.cli": "^0.5.1",
     "nuxt": "^2.14.11",
     "nuxt-i18n": "^6.16.0",
+    "prism-themes": "^1.5.0",
+    "remark-mermaid": "^0.2.0",
     "sass": "^1.30.0",
     "sass-loader": "^10.1.0"
   },