readme Updated with Space name

README.md

@@ -24,7 +24,7 @@ json_data = {
     "expiry_date": "2023-06-15"
 }
 
-response = requests.post('http://0.0.0.0:8000/create', headers=headers, json=json_data)
+response = requests.post('https://subhraj07-chatapi.hf.space/create', headers=headers, json=json_data)
 token = response.json()
 ```
 ### calling open API (text-davinci-002/gpt-3.5-turbo)
@@ -43,7 +43,7 @@ json_data = {
     "model_name" : "gpt-3.5-turbo"
 }
 
-response = requests.post('http://0.0.0.0:8000/chat', headers=headers, json=json_data)
+response = requests.post('https://subhraj07-chatapi.hf.space/chat', headers=headers, json=json_data)
 if response.status_code == 200:
     print(response.json())
 ```