Add analytics

Saw a recent spike in DB reads, want to investigate a bit more

package.json

@@ -20,6 +20,7 @@
 	},
 	"type": "module",
 	"dependencies": {
+		"@vercel/analytics": "^1.1.1",
 		"firebase": "^10.4.0",
 		"highlight.js": "^11.8.0",
 		"marked": "^9.0.2",

src/routes/+layout.svelte

@@ -1,5 +1,10 @@
 <script lang="ts">
   import "./app.css";
+
+  import { dev } from "$app/environment";
+  import { inject } from "@vercel/analytics";
+
+  inject({ mode: dev ? "development" : "production" });
 </script>
 
 <slot />

yarn.lock

@@ -687,6 +687,13 @@
   resolved "https://registry.yarnpkg.com/@types/pug/-/pug-2.0.6.tgz#f830323c88172e66826d0bde413498b61054b5a6"
   integrity sha512-SnHmG9wN1UVmagJOnyo/qkk0Z7gejYxOYYmaAwr5u2yFYfsupN3sg10kyzN8Hep/2zbHxCnsumxOoRIRMBwKCg==
 
+"@vercel/analytics@^1.1.1":
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/@vercel/analytics/-/analytics-1.1.1.tgz#2a712378a95014a548b4f9d2ae1ea0721433908d"
+  integrity sha512-+NqgNmSabg3IFfxYhrWCfB/H+RCUOCR5ExRudNG2+pcRehq628DJB5e1u1xqwpLtn4pAYii4D98w7kofORAGQA==
+  dependencies:
+    server-only "^0.0.1"
+
 acorn@^8.10.0, acorn@^8.9.0:
   version "8.10.0"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.10.0.tgz#8be5b3907a67221a81ab23c7889c4c5526b62ec5"
@@ -1368,6 +1375,11 @@ sander@^0.5.0:
     mkdirp "^0.5.1"
     rimraf "^2.5.2"
 
+server-only@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/server-only/-/server-only-0.0.1.tgz#0f366bb6afb618c37c9255a314535dc412cd1c9e"
+  integrity sha512-qepMx2JxAa5jjfzxG79yPPq+8BuFToHd1hm7kI+Z4zAq1ftQiP7HcxMhDDItrbtwVeLg/cY2JnKnrcFkmiswNA==
+
 set-cookie-parser@^2.6.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/set-cookie-parser/-/set-cookie-parser-2.6.0.tgz#131921e50f62ff1a66a461d7d62d7b21d5d15a51"