* feat: Add a pack file that pulls in the MultiSelect Component
* feat: move the tags to its own component
* save tags
* refactor: create a getCSRFToken function in the packs files so that it can be used in the admin
* feat: import the new module in request.js
* feat: remove unnecessary id
* feat: first pass of csrf token test
* chore: update the test
* fix: csrf token
* feat: hide the enw functionality behinda feature flag
* fix: loading form twice
* refactor: import for csrftoken
* chore: update the description of the function
* feat: use acts_on_taggable to craete a relationship between display_ad and tag
* feat: add a tag field to the display_ad form
* feat: add the selected tags from the multiselect autocomplete component to the input text field that references the tag_list
* feat: add the tag_list to the controller so that we can save it to the db with the display ad parameters
* feat: pull out the tag validation from the article and the display_ads into a concern
* feat: write soem tests for validating the tag on the display_ads model
* feat: add the tag_list as a hidden field
* feat: set the selected tags on edit
* feat: add a js class for the placement area
* feat: use the change in the dropdown to determine whether we show the tags field dropdown
* refactor: rename and brak up fucntions
* feat: show the tags field if the value of the placement area is already set
* fix: move if statement out of the change event
* feat: hide tags field and clear the tag list
* refactor: delete the display ads
* tests: ensure that we test the toggle
* fix:ensure that the tags on the hidden field show up as a string in the input field
* feat: update the jsdoc
* fix: no need to replace space with comma since we showing as string in form
* feat: update the name of the label
* fix: add hidden back
* feat: add cached_tag_list to displya_ads + the index
* feat: udpdate the schema
* refactor: move the scopes into the a module that can be re-used between display_ads and articles
* feat: account for showing display ads with the targeted tags that match the article
* feat: write a spec to show the correct ads based on the article_tags
* refactor: change TagListValidateable to Taggable and move out the not_cached_tagged_with_any scope
* test teh relationship between display ads and tags
* feat: write soem tests for validating the tag on the display_ads model
* chore: change empty to blank
* feat: will show display ads with no tags set if there are no article tags
* feat: add a newline
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