Added Traco TEA1E footprint

Hi everyone 🙂,

Another series footprint for you to check and merge. This footprint was generated.

Footprint Generator MR: kicad-footprint-generator!921 (merged)

Symbol MR: kicad-symbols!4007 (merged)

Datasheet URL: https://www.tracopower.com/products/tea1e.pdf

The KLC-Checker did not throw any errors.

Cheers, Jens