Indent typo in the runcard

[GabrielePalazzo]

Indent typo in the example runcard doc.

Checklist:

• Reviewers confirm new code works as expected.
• Tests are passing.
• Coverage does not decrease.
• Documentation is updated.
• Compatibility with Qibo modules (Please edit this section if the current pull request is not compatible with the following branches).
  • Qibo: master
  • Qibolab: main
  • Qibolab_platforms_qrc: main

[codecov]

Codecov Report

Merging #525 (e446c76) into main (aabc7f0) will decrease coverage by 0.09%.
Report is 2 commits behind head on main.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #525      +/-   ##
==========================================
- Coverage   96.51%   96.42%   -0.09%     
==========================================
  Files          66       66              
  Lines        4789     4789              
==========================================
- Hits         4622     4618       -4     
- Misses        167      171       +4     

Flag	Coverage Δ
unittests	96.42% <ø> (-0.09%)	⬇️

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[andrea-pasquale]

Thanks @GabrielePalazzo.