Add delete item functionality

delete_item.py

@@ -0,0 +1,18 @@
+from config import *
+import requests
+import sys
+
+def delete_item(conversation,item):
+    url = base_url+"conversations/"+conversation+"/items/"+item
+
+    payload = {}
+    headers = {
+      'Authorization': 'Bearer '+secret_key,
+    }
+
+    response = requests.request("DELETE", url, headers=headers, data=payload)
+
+    print(response.text)
+
+if __name__ == '__main__':
+    delete_item(str(sys.argv[1]),str(sys.argv[2]))