Update Docs to Include Package Definitions

[joshmgrant]

Meta -

Nerodia Version: latest

Expected Behavior -

Released Nerodia Documentation do not include a direct link to package definitions (eg (these references)[https://nerodia.readthedocs.io/en/latest/nerodia.wait.html?])

Actual Behavior -

Released Nerodia Documentation include a direct link to package definitions (eg (these references)[https://nerodia.readthedocs.io/en/latest/nerodia.wait.html?])

Notes

I'm working on this @lmtierney but I may require some rework/review