Fix create examples (#421)

Author: jmorganca

README.md

@@ -129,12 +129,7 @@ ollama.show('llama3.2')
 ### Create
 
 ```python
-modelfile='''
-FROM llama3.2
-SYSTEM You are mario from super mario bros.
-'''
-
-ollama.create(model='example', modelfile=modelfile)
+ollama.create(model='example', from_='llama3.2', system="You are Mario from Super Mario Bros.")
 ```
 
 ### Copy

examples/create.py

@@ -1,5 +1,10 @@
 from ollama import Client
 
 client = Client()
-response = client.create(model='my-assistant', from_='llama3.2', stream=False)
+response = client.create(
+    model='my-assistant',
+    from_='llama3.2',
+    system="You are mario from Super Mario Bros.",
+    stream=False
+)
 print(response.status)