Fulfill https://landscape.cncf.io/summary

[AkihiroSuda]

We should fulfill the Summary Table in https://landscape.cncf.io/summary

e.g.,

• Added summary table fields for etcd cncf/landscape#3123

[afbjorklund]

Lima is listed as a "Container Runtime", which is slightly confusing.

It also seems impossible to either zoom in, or create a link to it...

It is slightly better in the "card mode", although with a "popup" feature:

https://landscape.cncf.io/card-mode?category=container-runtime

[kairveeehh]

@AkihiroSuda can you guide me for this issue , I check the PR you had linked but the website https://landscape.cncf.io/summary is error 404