[repo] Issue templates, rename directory (#335)

<!-- Ticket number or summary of work -->
# [repo] Issue templates, rename directory


## What changed?
<!-- Provide a bulleted list in the present tense -->
* Issue templates, rename directory

## Release notes draft
<!-- Provide an entry for the release notes using simple, conversational
language. Don't be too technical. Explain how the change will benefit
the merchant and link to the feature.

Examples:
* The newly-released [X feature] is now available to use. Now, you’ll be
able to [perform Y action].
* We're happy to announce [X feature], which can help you [perform Y
action].
* [X feature] helps you to create [Y response] using the [Z query
parameter]. Now, you can deliver [ex, localized shopping experiences for
your customers].
* Fixed a bug in the [X endpoint]. Now the [Y field] will appear when
you click [Z option]. -->
* TBD

## Anything else?
<!-- Add related PRs, salient notes, additional ticket numbers, etc. -->
* #3

ping {names}