fixes PDBLoader page link for zh (#28626)

docs/list.json

@@ -1122,7 +1122,7 @@
 				"MTLLoader": "examples/zh/loaders/MTLLoader",
 				"OBJLoader": "examples/zh/loaders/OBJLoader",
 				"PCDLoader": "examples/zh/loaders/PCDLoader",
-				"PDBLoader": "examples/en/loaders/PDBLoader",
+				"PDBLoader": "examples/zh/loaders/PDBLoader",
 				"SVGLoader": "examples/zh/loaders/SVGLoader",
 				"TGALoader": "examples/zh/loaders/TGALoader"
 			},