add Samtec 2.00 mm mPOWER Ultra Micro Power Sockets & Terminals

These are the footprints generated by kicad-footprint-generator!835 (merged).

Documentation:

• Terminals (UMPT): https://suddendocs.samtec.com/prints/umpt-xx-xx.x-xx-v-x-x-x-x-xr-footprint.pdf
• Sockets (UMPS): https://suddendocs.samtec.com/prints/umps-xx-xx.x-xx-v-x-x-xr-footprint.pdf

Library:

The footprints are generated into of a new Connector_Samtec_MicroPower.pretty library.