Add python runtime module

[romanodanilo]

Description

Following #15 , this PR adds a new runtime module dedicated to executing all the steps specified in an input config file

Main changes

• Add runtime python component

How was the PR tested?

1. Executed runtime tests from docker

   
   cd docker
   ./test_runtime.sh

The result is

============================= test session starts ============================== platform linux -- Python 3.11.9, pytest-8.2.1, pluggy-1.5.0 rootdir: /app collected 1 item

tests/test_runtime.py . [100%]

============================== 1 passed in 0.07s ===============================

**Notes**

#### Note

- `$PATH_TO_EXE` and `$PATH_TO_XSD` args are temporarily supported until better handling of external directory will be implemented