Add an extra links category for our python code for each integration

[C-Loftus]

It would be useful to add another category akin to documentation / canonical, for the purposes of linking to our specific code. i.e. the specific folder in the packages/ directory that does the ETL / proxy / transformation to output the data. This allows others to see the process by which code is transformed from the source into the EDR interface

[C-Loftus]

Requested by John today in the workshop as a future add