Fix docs

[AldoGl]

Proposed changes

• Fix the compilation of online docs
• Fix the notebook on intrinsic dimension as suggested @fabaroni ( x = spiral2.shape[0]/np.array([2**i for i in range(xrange)])[::-1] -> x = spiral2.shape[0]/np.array([2**i for i in range(xrange)]) )
• Fix title of id-discrete notebook

Types of changes

What types of changes does your code introduce? Put an x in the boxes that apply

• [x] Bugfix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

Put an x in the boxes that apply.

• [x] Lint and unit tests pass locally with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (d6244e0) 80.29% compared to head (292e3e0) 80.29%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #99 +/- ## ======================================= Coverage 80.29% 80.29% ======================================= Files 15 15 Lines 2431 2431 ======================================= Hits 1952 1952 Misses 479 479 ```

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[AldoGl]

Merging to check whether the online docs build correctly