ExeTera Example and Version Changes (#8)

* Update randomdataset.rst

* Update index.rst

* Update conf.py and index.rst

* Update .gitignore, conf.py, and 3 more files...

* File updates and restructuring

* Update generator.py

* Updates and reorganization

* Adding notebook for Exetera example

* Update exeteraschema.json

* Added Exetera example

* CI/CD fix

* Cleanup

* Adding Codecov support

* Update README.md

* Tweak

* Adding documentation

* Adding Documentation

* Adding commentary

* Notebook update

* Remove path line

* Update

* Added merge example

* Adding examples

* Fix

* Added _version.py file for clean versioning in setup.py

This avoids importing the package in the setup.py file, which would fail if dependencies are missing

* Fix

Author: ericspod