python: add setup script

It allows people to install our python scripts as a regular python
package via pip. For now the script is very basic, but we can extend it
in the future (e.g. list dependen

python: add setup script

It allows people to install our python scripts as a regular python
package via pip. For now the script is very basic, but we can extend it
in the future (e.g. list dependencies).

Also, python uses a different version format than we do (see PEP 440),
so the version reported by the python scripts will be a little
different: the leading zero in the minor part is removed and "-pre" is
replaced with "rc0". For instance, "23.05-pre" will be reported as
"23.5rc0".

Additionally, a simple test was added that will make sure that the
version in the scripts is consistent with the version in the .c code.

Fixes #2997.

Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: I86b70adb121bf824ccabb6968103b7f6ffc3150d
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/17935
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Michal Berger <michal.berger@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>

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