✨ feat: Add markdown support plus /blog (#107)

Adds `/blog` page with support for `.md` and `.mdx` files.

What we learnt in setting this up will be packages in a package `@nestri/mdx` and used to set up the `/docs` and the `/terms` and `/privacy` routes

package.json

@@ -11,7 +11,6 @@
     "@cloudflare/workers-types": "4.20240821.1",
     "@types/aws-lambda": "8.10.145",
     "prettier": "^3.2.5",
-    "sst": "^3.0.91",
     "turbo": "^2.0.12",
     "typescript": "^5.4.5"
   },
@@ -31,4 +30,4 @@
   "dependencies": {
     "sst": "3.0.94"
   }
-}
+}