Kata OBS repositories provide multiple branch support.
Let define a variable to allow users define kata branch to use.
Fixes: #423
Signed-off-by: Jose Carlos Venegas Munoz <jose.carlos.venegas.munoz@intel.com>
Refactor installation instruction to minimize duplicate content,
to document package source verification process, and to remove
some of the typos.
Fixes: #263
Signed-off-by: Marco Vedovati <mvedovati@suse.com>
The repository URLs in the installation guides needs to point to the
latest release version.
This impact tests execution too (kata-manager uses this guides as
installation recipes).
Fixes: #255
Signed-off-by: Marco Vedovati <mvedovati@suse.com>
