Updating Add Content page and content types

[stefaniefgray]

Cut out very wordy language; unnecessary "sales" type jargon.

Description. Please write any background information about this PR you think is useful for the product team. Use any of the items below that are relevant to this pull request, and delete any that are not.

User story

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How to reproduce

1. If the PR fixes a bug, include step-by-step instructions for reproducing the bug on a current DKAN release.

QA Steps

• Add manual QA steps in checklist format for a reviewer to perform to confirm that the feature or fix is working. Include as much details as possible so that the reviewer doesn't lose time figuring out how to perform steps.

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Reminders

• There is test for the issue.
• CHANGELOG updated.
• Coding standards checked.
• Review docs.getdkan.com (or in /docs) to see if it still covers the scope of the PR and update if needed.

[erogray]

Looks good from here.

[erogray]

@janette can this be merged?

[janette]

@erogray @stefaniefgray
No, the markup is really wonky, node type descriptions are in quote format, subheads are larger that headings, needs work.

wrong image for 'This image displays where you can enable grid, graph and/or map previews for a Resource.'

lets remove the animated gifs, these are pretty annoying

[erogray]

Adding for my own future reference, since I didn't look before: https://docs.getdkan.com/en/latest/admin/data_and_content/adding_new_content.html