Fix link to index table tutorial

[codecov[bot]]

Codecov Report

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

Project coverage is 97.67%. Comparing base (cad5981) to head (8b76930). Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #499 +/- ## ======================================= Coverage 97.67% 97.67% ======================================= Files 39 39 Lines 1551 1551 ======================================= Hits 1515 1515 Misses 36 36 ```

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[github-actions[bot]]

Before [cad5981c]	After [16202b26]	Ratio	Benchmark (Parameter)
104±0.6ms	107±0.8ms	1.03	benchmarks.time_kdtree_crossmatch
2.18±0.01s	2.19±0.02s	1.01	benchmarks.time_create_midsize_catalog
31.8±0.5ms	32.2±0.3ms	1.01	benchmarks.time_polygon_search
14.6±0.02s	14.6±0.05s	1	benchmarks.time_create_large_catalog
16.8±0.3ms	16.6±0.06ms	0.99	benchmarks.time_box_filter_on_partition

Click here to view all benchmarks.

[delucchi-cmu]

See preview: https://lsdb--499.org.readthedocs.build/en/499/tutorials.html