[manual] Change API URLs to be based on api.humbughq.com/api.

This must be deployed after we update our running nginx configuration
to serve api.humbughq.com.

(imported from commit b5c34ebdd595f55eecd6dca6a18a37f105107bd5)

examples/curl-examples

@@ -1,14 +1,13 @@
 #!/bin/sh
 # Two quick API tests using curl
 
-curl https://humbughq.com/api/v1/send_message \
+curl https://api.humbughq.com/v1/send_message \
     -d "api-key=BOT_API_KEY" \
     -d "email=BOT_EMAIL" \
     -d "type=private" -d "content=test" \
     -d "to=RECIPIENT_EMAIL"
 
-curl https://humbughq.com/api/v1/get_messages \
+curl https://api.humbughq.com/v1/get_messages \
     -d "api-key=BOT_API_KEY" \
     -d "email=BOT_EMAIL"
 
-# Or replace https://humbughq.com with your local test instance