Edit wrong url to fetch data from gin in visMotion demo

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 77.87%. Comparing base (f53979a) to head (43605e0). Report is 108 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1289 +/- ## ========================================== - Coverage 79.57% 77.87% -1.71% ========================================== Files 285 291 +6 Lines 7742 7904 +162 Branches 40 50 +10 ========================================== - Hits 6161 6155 -6 - Misses 1565 1749 +184 + Partials 16 0 -16 ``` | [Flag](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | Coverage Δ | | |---|---|---| | [cli](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | `0.00% <ø> (-39.00%)` | :arrow_down: | | [macos-13_matlab-R2023b_fast](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | `60.53% <ø> (?)` | | | [macos-13_matlab-R2023b_slow](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | `58.36% <ø> (?)` | | | [macos-latest_matlab-R2023a_fast](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | `?` | | | [macos-latest_matlab-R2023a_slow](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | `?` | | | [octave](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | `76.46% <ø> (+0.74%)` | :arrow_up: | | [ubuntu-latest_matlab-R2023a_fast](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | `?` | | | [ubuntu-latest_matlab-R2023a_slow](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | `?` | | | [ubuntu-latest_matlab-R2023b_fast](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | `60.53% <ø> (?)` | | | [ubuntu-latest_matlab-R2023b_slow](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | `58.35% <ø> (?)` | | | [windows-latest_matlab-R2023b_fast](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | `60.53% <ø> (?)` | | | [windows-latest_matlab-R2023b_slow](https://app.codecov.io/gh/cpp-lln-lab/bidspm/pull/1289/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab) | `58.36% <ø> (?)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=cpp-lln-lab#carryforward-flags-in-the-pull-request-comment) to find out more.

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[marcobarilari]

fix #1288

given that I only modified a readme file I doubt that the tests are failing by my fault 😇