Add Drush command to apply a dictionary to a resource

[paul-m]

Fixes [issue#]

Describe your changes

Adds a drush command: dkan:datastore:apply-dictionary

This command applies the data dictionary to the specified dataset, as configured in the site, and as specified by describedBy.

QA Steps

• Set the site to not use data dictionaries.
• Add a data dictionary to a dataset.
• Set the site to use the data dictionary.
• Run drush dkan:datastore:apply-dictionary for the dataset.
• Verify that the data dictionary is displayed for the dataset.
• If indexing was specified in the dictionary, verify that the indexing was applied to the database table for the resource.

Checklist before requesting review

If any of these are left unchecked, please provide an explanation

• I have updated or added tests to cover my code
• I have updated or added documentation

[paul-m]

This is postponed until we get more clarity on how data dictionaries will operate in terms of type enforcing, indexing, and key definitions.

[paul-m]

Marked as ready for review because we decided to go forward with this regardless of scope on data dictionaries.