📊 Exclude test resources from linguist (#49)
📊 Exclude test resources from linguist (#49)

We have a bunch of HTML checked in as testing resources - GitHub's "linguist" is picking up this HTML and it's throwing off our language stats. This change adds a git attribute to tell linguist to ignore these files.
Purdue-io/PurdueApi,Purdue-io/PurdueApi,Purdue-io/PurdueApi,Purdue-io/PurdueApi