Create python package

.gitignore

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+# python file cache
+__pycache__/
+
+# python build products
+*egg-info/

code/nxsOnto/README.md

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+**NeXusOntology creation script**
+
+Ensure that packages `owlready2` and `pygithub` are installed by running: `pip install -r requirements.txt`
+
+Alternative: If you have [conda](https://docs.conda.io/) available, a custom
+conda environment can be created and this package installed (by `pip`) with
+these steps:
+
+```bash
+    conda env create -f environment.
+    conda activate NeXusOntology
+    pip install -e .
+```
+
+Add four parameters when running the code:  
+
+```
+python3 -m nxsOnto.generator [github access token] [out path for ontology] [temporary file path]
+ ```
+
+To get a Github access token:  
+Github/settings/developer settings/personal access tokens/create new token
+
+Some deprecation warnings are likely to be displayed before the `.owl` file is created.
+
+The `.owl` file (RDF/XML syntax) can be opened by a text editor or ontology tool such as Protege (https://protege.stanford.edu/)
+
+See ontology metadata for more information.

code/nxsOnto/environment.yml

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+# Define conda environment for use with Python code
+
+name: NeXusOntology
+
+# conda env create -f environment.yml
+# conda activate NeXusOntology
+
+channels:
+  - defaults
+  - conda-forge
+
+dependencies:
+  - owlready2
+  - pygithub