update P2Export documentation

Author: bitfl0wer

api/src/core/main.tsp

@@ -127,13 +127,15 @@ namespace models {
     {
         "2062a23e2a25b226ca4c546fec5ec06e0df9648281f45da8b5aaabebdf66cf4c.jxl": {
         "private": false,
+        "public": false,
         "allowlist": ["user1@example.com", "instance.example.com"],
         "denylist": ["user2@example.com", "otherinstance@example.com"]
         }
     },
     {
         "a9144379a161e1fcf6b07801b70db6d6c481933bd634fe2409eb713723ab1a0a": {
         "private": true,
+        "public": false,
         "allowlist": ["user1@example.com"],
         "denylist": []
         }