ENH: add get_nearest_node

[martinfleis]

Index-oriented and vectorized alternative of get_node_id. Also fixes the user guide failure.

[codecov[bot]]

Codecov Report

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

Project coverage is 98.0%. Comparing base (4037c70) to head (bdc8d6e). Report is 40 commits behind head on main.

Additional details and impacted files

[](https://app.codecov.io/gh/pysal/momepy/pull/600?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pysal) ```diff @@ Coverage Diff @@ ## main #600 +/- ## ======================================= + Coverage 97.4% 98.0% +0.6% ======================================= Files 26 37 +11 Lines 4328 6067 +1739 ======================================= + Hits 4214 5945 +1731 - Misses 114 122 +8 ``` | [Files](https://app.codecov.io/gh/pysal/momepy/pull/600?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pysal) | Coverage Δ | | |---|---|---| | [momepy/functional/\_elements.py](https://app.codecov.io/gh/pysal/momepy/pull/600?src=pr&el=tree&filepath=momepy%2Ffunctional%2F_elements.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pysal#diff-bW9tZXB5L2Z1bmN0aW9uYWwvX2VsZW1lbnRzLnB5) | `99.1% <100.0%> (ø)` | | | [momepy/functional/tests/test\_elements.py](https://app.codecov.io/gh/pysal/momepy/pull/600?src=pr&el=tree&filepath=momepy%2Ffunctional%2Ftests%2Ftest_elements.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pysal#diff-bW9tZXB5L2Z1bmN0aW9uYWwvdGVzdHMvdGVzdF9lbGVtZW50cy5weQ==) | `98.9% <100.0%> (ø)` | |