deno.json: exclude public directory to prevent LSP from crashing

https://github.com/denoland/deno/pull/19097#issuecomment-1880158674

.vscode/settings.json

@@ -1,7 +1,6 @@
 {
   "deno.enable": true,
   "deno.lint": true,
-  "deno.enablePaths": ["./src", "./scripts"],
   "editor.defaultFormatter": "denoland.vscode-deno",
   "path-intellisense.extensionOnImport": true
 }

deno.json

@@ -9,6 +9,7 @@
     "check": "deno check src/server.ts",
     "relays:sync": "deno run -A --unstable scripts/relays.ts sync"
   },
+  "exclude": ["./public"],
   "imports": {
     "@/": "./src/",
     "~/fixtures/": "./fixtures/"