message: Add curl example
diff: @@ -20,4 +20,11 @@ Parameters:
  * verbose: optional TEXT, set to 'true' to have a more verbose response when issuing tokens.
  * pretend: optional TEXT, set to 'true' if you do not wish to actually issue tokens but see the whole calculated values for each activity.
  -
  +## Example
  +
  +```
  +curl --location --request POST 'http://127.0.0.1:5000/issue' \
  +--form 'keys=@"test-public.pem"' \
  +--form 'issuee="0x70997970C51812dc3A010C7d01b50e0d17dc79C8"' \
  +--form 'input=@"input.json"'
  +```
  