WD-7757 - add missing images to /internet-of-things

[lizzochek]

Done

Added missing images to /internet-of-things page

QA

• demo link
• copy doc
• Check out this feature branch
• Run the site using the command ./run serve
• View the site locally in your web browser at: http://0.0.0.0:8001/
• Run through the following QA steps
• Check that images on /internet-of-things page are correct

Issue / Card

WD-7757

Fixes #

Screenshots

[webteam-app]

Demo starting at https://ubuntu-com-13392.demos.haus

[codecov]

Codecov Report

Merging #13392 (b90df38) into main (d415c29) will not change coverage.
Report is 33 commits behind head on main.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #13392   +/-   ##
=======================================
  Coverage   74.41%   74.41%           
=======================================
  Files         107      107           
  Lines        2838     2838           
  Branches      946      946           
=======================================
  Hits         2112     2112           
  Misses        702      702           
  Partials       24       24           

[andesol]

LGTM!