add transport tutorial to index.rst

[codecov[bot]]

Codecov Report

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

Comparison is base (094f8ad) 89.21% compared to head (eb7a89b) 89.21%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #183 +/- ## ======================================= Coverage 89.21% 89.21% ======================================= Files 15 15 Lines 3134 3134 Branches 723 723 ======================================= Hits 2796 2796 Misses 234 234 Partials 104 104 ```

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