Update datalake_exporter.py

[anneku]

Proposed changes

write trlink file from input to datalake

Impact

connect link to route id in datalake queries

Types of changes

What types of changes does your code introduce to ABM? Put an x in the boxes that apply

• [ ] Bugfix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Documentation Update (if none of the other choices apply)

How has this been tested?

one line code change - not tested.

• [ ] Test A
• [ ] Test B

Checklist:

• [x ] My code follows the style guidelines of this project
• [ ] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] My changes generate no new warnings

Further comments

None