adopters - end users

[dmueller2001]

add to maintainer templates

[dmueller2001]

review https://lf-decentralized-trust-labs.github.io/contributors-site/maintainers/enduserengagement/ and https://lf-decentralized-trust-labs.github.io/contributors-site/maintainers

[jwagantall]

I will review the content of these... but at first glance it looks good

[jwagantall]

Updated links
https://lf-decentralized-trust.github.io/contribute/maintainers/enduserengagement/
and
https://lf-decentralized-trust.github.io/contribute/maintainers/

Overall,, this except for: #85