Add periodic to hexagonal_lattice_graph (#1213)

* use closure for `graph.add_edge` calls

* Add periodicity

* check input, adjust Python exception type

* add Rust tests

* Update type annotations, add Python tests

* Test for isomorphism with networkx graphs

* make tests insensitive to edge order

* move construction of graph and nodes into a builder

* move construction of edges into builder

* add `hexagonal_lattice_graph_weighted`, update tests

* add `with_positions` argument to Python functions

* add visualization tests, fix lattice position bug

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Co-authored-by: Ivan Carvalho <8753214+IvanIsCoding@users.noreply.github.com>

Author: jpacold