Add docker/podman instructions for site update and fix broken links a…

…fter switch to MkDocs site (okd-project#238) (okd-project#2) (okd-project#239)

* move from master to main branch

* remove blog entry re creating blog on old site

* Add site README

* add CNAME in docs so gets published

* Delete CNAME

* fix CNAME for production site

Signed-off-by: Brian Innes <[email protected]>

* fixed links re MkDocs going live + container tooling instructions

Signed-off-by: Brian Innes <[email protected]>

* added Windows support for docker based tooling

Signed-off-by: Brian Innes <[email protected]>

* added podman instructions

Signed-off-by: Brian Innes <[email protected]>

* tidy up commands

Signed-off-by: Brian Innes <[email protected]>

Co-authored-by: Brian Innes <[email protected]>

Co-authored-by: Brian Innes <[email protected]>

Co-authored-by: Brian Innes <[email protected]>