Let client know project open count

tjnetwork.py

@@ -50,6 +50,9 @@ def delete_project(name: str) -> None:
 def is_project_open(name: str) -> bool:
     return api.is_project_open(name)
 
+def get_project_open_count(name: str) -> int:
+    return api.get_project_open_count(name)
+
 def open_project(name: str) -> None:
     return api.open_project(name)