fix: #2487 scripts-catalog folder restructuring

[maduvena]

#2487

[devrimyatar]

Pleaceholders in scripts.ldif are not correct. Please use these rules

1. seperate directories with _
2. replace - with _ in directory names
3. use only script name, omit extension and use lowercase

Using these rules placeholder for script:
person_authentication/user-cert-external-authenticator/UserCertExternalAuthenticator.py
is
person_authentication_user_cert_external_authenticator_usercertexternalauthenticator

When I try to install from this branch, setup exited with error:

  File "/opt/jans/jans-setup/setup_app/utils/setup_utils.py", line 492, in render_template
    rendered_text = self.fomatWithDict(template_text, format_dict)
  File "/opt/jans/jans-setup/setup_app/utils/setup_utils.py", line 385, in fomatWithDict
    return text % dictionary
KeyError: 'person_authentication_usercertexternalauthenticator'

[sonarcloud]

[jans-linux-setup] Kudos, SonarCloud Quality Gate passed!   

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