Revert "Revert "Add Registry API reference and pricing updates (#127)" (#130)" (#285)

This reverts commit 930a836.

Author: robinjhuang

docs.json

@@ -548,6 +548,10 @@
                 ]
               }
             ]
+          },
+          {
+            "dropdown": "Registry API Reference",
+            "openapi": "https://api.comfy.org/openapi"
           }
         ]
       },
@@ -1101,6 +1105,10 @@
                 ]
               }
             ]
+          },
+          {
+            "dropdown": "Registry API 参考文档",
+            "openapi": "https://api.comfy.org/openapi"
           }
         ]
       }