[Epic] Use odo with Podman (without Kubernetes/OpenShift cluster) [stage 3]

[kadel]

continuing of #6578

Bugs

• odo is unable to get podman version and fails #6956
• Odo dev on podman on RHEL 8 fails with"error during container init: error setting cgroup config for procHooks process: cannot set memory limit: container could not join or create cgroup: OCI runtime error Error: failed to start 1 containers " #6824

Documentation

• Mention Podman support on website #6794
• Update Home Page demo: showcase flow from Podman to cluster #6858
• Mentions of Podman on the home page #6859
• Update Quickstart Guides with Podman support #6860
• Update README and project description with mention of Podman support #6862

Stage 4 (for later): #6991

[rm3l]

Closing this epic as all issues (doc + bugs) in it have been completed.

/close