Output Directory doesn't Exist

[SundousHussein]

'output' Directory doesn't exist, saving the embedding file fails in the example.

https://github.com/UCD-BDLab/BioNeuralNet/blob/571e05c39155b10596353329ffad84106f64d272/docs/examples/node2vec_example.py#L47C9-L47C46

[ramosv]

I need to remove the dependency on output dir. Ideally our classes return dataframe, then its up to the user if they want to save that variable to a csv or output dir

[ramosv]

Completed. THis will be included in the next commit to #11