Render a collection of GraphVectorStore documents to GraphViz format.
Note:
To render the generated DOT source code, you also need to install Graphviz_
(download page <https://www.graphviz.org/download/>,
archived versions <https://www2.graphviz.org/Archive/stable/>,
installation procedure for Windows <https://forum.graphviz.org/t/new-simplified-installation-procedure-on-windows/224>_).
Default node color.
Dictionary specifying colors of specific nodes. Useful for emphasizing nodes that were selected by MMR, or differ from other results.
Set of tags to skip when rendering the graph. Specified as tuples containing the kind and tag.
