Added timeout and limit to script entries

sia/background_entry.py

@@ -17,14 +17,19 @@ class BackgroundEntry(Entry):
         _exit_code: Exit code when process completes
     """
     
-    def __init__(self, script: str, id: str, timestamp: datetime):
+    def __init__(
+            self,
+            id: str,
+            timestamp: datetime,
+            script: str,
+        ):
         """
         Initialize a new background entry.
         
         Args:
-            script: The script/command to execute
             id: Unique identifier for this entry
             timestamp: Creation timestamp for this entry
+            script: The script/command to execute
         """
         super().__init__(id, timestamp)
         self._script = script