future updates, upgrade of api translator and adaptation to supported features requierement for new release

Event feature documentation and small changes in the code, tested and change in mistake in capif_sdk_config

	modificados:     network_app_samples/network_app_invoker_sample/network_app_invoker.py
	modificados:     network_app_samples/network_app_provider_sample/network_app_provider.py
	nuevos archivos: opencapif_sdk/__init__.py
	renombrados:     sdk/api_schema_translator.py -> opencapif_sdk/api_schema_translator.py
	renombrados:     sdk/capif_invoker_connector.py -> opencapif_sdk/capif_invoker_connector.py
	renombrados:     sdk/capif_provider_connector.py -> opencapif_sdk/capif_provider_connector.py
	renombrados:     sdk/service_discoverer.py -> opencapif_sdk/service_discoverer.py
	modificados:     scripts/invoker_capif_connector.py
	modificados:     scripts/invoker_capif_connector_offboarding.py
	modificados:     scripts/invoker_capif_connector_update.py
	modificados:     scripts/invoker_service_discovery.py
	modificados:     scripts/invoker_service_get_token.py
	modificados:     scripts/provider_capif_connector.py
	modificados:     scripts/provider_capif_connector_offboarding.py
	modificados:     scripts/provider_capif_connector_update.py
	modificados:     scripts/provider_get_all_published_api.py
	modificados:     scripts/provider_get_published_api.py
	modificados:     scripts/provider_publish_api.py
	modificados:     scripts/provider_unpublish_api.py
	modificados:     scripts/provider_update_api.py
	borrados:        sdk/__init__.py
	modificados:     test/test.py

PR:
* SDK packaging in pypi repositories to install via pip opencapif_sdk atifact and simple import commands,
* OpenCAPIF SDK installation process clarified and updated,
* Pictures of OpenCAPIF flows adjusted,
* Updated scripts and test to new installation process,
* Updated general documentation,
* Small mistakes and typos fixed.

---------

Co-authored-by: Daniel García <daniel.garciasanchez@telefonica.com>
Co-authored-by: JorgeEcheva26 <jorge.echevarriauribarri.practicas@telefonica.es>

PR:
- Included complete Network App samples,
- Complete developer path description,
- Refactored code structure,
- Complete doc upgrade.

---------

Co-authored-by: JorgeEcheva26 <jorge.echevarriauribarri.practicas@telefonica.es>
Co-authored-by: Daniel García <daniel.garciasanchez@telefonica.com>