Improve Teleport usage instructions ECFLOW-1965

[marcosbento]

Description

As per the PR title.

Contributor Declaration

By opening this pull request, I affirm the following:

• All authors agree to the Contributor License Agreement.
• The code follows the project's coding standards.
• I have performed self-review and added comments where needed.
• I have added or updated tests to verify that my changes are effective and functional.
• I have run all existing tests and confirmed they pass.

🌦️ >> Documentation << 🌦️
https://sites.ecmwf.int/docs/dev-section/ecflow/pull-requests/PR-396

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 52.07%. Comparing base (fa80a98) to head (95c8f68).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #396   +/-   ##
========================================
  Coverage    52.07%   52.07%           
========================================
  Files         1247     1247           
  Lines       101710   101710           
  Branches     15136    15136           
========================================
  Hits         52968    52968           
  Misses       48742    48742           

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