added missing robots.tsx file

out/__next.__PAGE__.txt

@@ -0,0 +1,9 @@
+1:"$Sreact.fragment"
+2:I[1304,[],"ClientPageRoot"]
+3:I[6919,["500","static/chunks/500-5d45efbf86b8d36e.js","772","static/chunks/772-67582d40ca827662.js","974","static/chunks/app/page-46c983ebf107fa7a.js"],"default"]
+6:I[484,[],"OutletBoundary"]
+7:"$Sreact.suspense"
+0:{"buildId":"2zXAr1NRP_Husrut3sWTG","rsc":["$","$1","c",{"children":[["$","$L2",null,{"Component":"$3","serverProvidedParams":{"searchParams":{},"params":{},"promises":["$@4","$@5"]}}],null,["$","$L6",null,{"children":["$","$7",null,{"name":"Next.MetadataOutlet","children":"$@8"}]}]]}],"loading":null,"isPartial":false}
+4:{}
+5:"$0:rsc:props:children:0:props:serverProvidedParams:params"
+8:null