Images with pip packages

[ryanpdx]

Changes:

• Add python package to image configs
• Remove OreSat Generic image
• All images use DHCP
• Update to Debian 11.3
• Device tree overlays are no longer added during image build process
• Images boot in ~30 seconds (CAN bus, SSH, and PRUs are up). closes #29
• Add guide for connecting to OreSat boards with MacOS and Linux hosts that includes internet sharing
• Default username:passwd is debian:temppwd