fix aws policy example link

Signed-off-by: Reuben Miller <[email protected]>

docs/src/start/connect-aws.md

@@ -74,7 +74,7 @@ To create a new policy, head over to the AWS IoT Core and navigate to
 
 **Security → Policies → Create policy → Policy properties → Policy name → Enter the name of your policy (e.g.tedge)**
 
-On the Policy statements tab click on ***JSON*** and enter the policy in the ***Policy document*** (an example policy can be found [here](./aws-example-policy.json)) then click ***Create***.
+On the Policy statements tab click on ***JSON*** and enter the policy in the ***Policy document*** (an example policy can be found [here](https://raw.githubusercontent.com/thin-edge/thin-edge.io/main/docs/src/start/aws-example-policy.json)) then click ***Create***.
 
 In the AWS IoT Core, navigate to ***Manage → All devices → Things → Create things → Create Single thing → Next***. Enter the Thing name which can be obtained from the device with the output of the following command: