WIP updates

README.md

README.txt

calculation_fields.info.yml

calculation_fields.libraries.yml

calculation_fields.module

composer.json

css/calculation-fields.css

js/calculation-fields.js

...lation_fields_example/calculation_fields_example.info.yml

...culation_fields_example/calculation_fields_example.module

...ion_fields_example/calculation_fields_example.routing.yml

modules/calculation_fields_example/src/Form/ExampleForm.php

modules/webform_calculation_fields/README.md

...tall/webform.webform.webform_calculation_fields_examp.yml

...lds_examples/webform_calculation_fields_examples.info.yml

...elds_examples/webform_calculation_fields_examples.install

...elds/src/Form/WebformCalculationFieldsElementUiAccess.php

...culation_fields/src/Form/WebformCalculationFieldsForm.php

...on_fields/src/Form/WebformCalculationFieldsFormDelete.php

...elds/src/Plugin/WebformElement/WebformFieldCalculator.php