Cannot refs to yaml format file

[lsytj0413]

What happened:

1. add examples https://github.com/serverlessworkflow/specification/tree/0.8.x/examples#reusing-function-and-event-definitions for parse
2. got error invalid character '#' looking for beginning of value

What you expected to happen:

1. parse correct

How to reproduce it:

Anything else we need to know?:

Environment:

• Specification version used:

• Go version:

refs: #100 (comment)

[lsytj0413]

/assign