Add llms.txt (#502)

package.json

@@ -3,9 +3,10 @@
   "version": "1.0.0",
   "private": true,
   "scripts": {
-    "dev": "next dev",
-    "build": "next build",
+    "dev": "npm run gen:llm && next dev",
+    "build": "npm run gen:llm && next build",
     "gen": "swagger-codegen generate -i https://raw.githubusercontent.com/netbirdio/netbird/main/management/server/http/api/openapi.yml -l openapi -o generator/openapi && npx ts-node generator/index.ts gen --input generator/openapi/openapi.json --output src/pages/ipa/resources",
+    "gen:llm": "node scripts/generate-llm-docs.mjs",
     "start": "next start",
     "lint": "next lint"
   },