switch to yml issue templates

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: true
+contact_links:
+  - name: Other Request
+    url: https://www.ihe.net/about_ihe/contact_us/
+    about: For all other requests
+  - name: Formal Change Proposal
+    url: https://wiki.ihe.net/index.php/Category:CPs
+    about: For requesting a formal Change Proposal other than github Issue method
+  - name: Other Public Comment form
+    url: https://www.ihe.net/resources/public_comment/
+    about: For submitting Public Comment without use of github Issue method
+

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request
+description: Request a Feature
+title: "[Feature]: "
+labels: ["enhancement"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this feature request!
+  - type: input
+    id: contact
+    attributes:
+      label: Contact Details
+      description: How can we get in touch with you if we need more info?
+      placeholder: ex. [email protected]
+    validations:
+      required: false
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: Is your feature request related to a problem? Please describe.
+      description: Also tell us, what you would like to happen?
+      placeholder: Tell us what is preventing this feature!
+      value: "A feature request!"
+    validations:
+      required: true
+  - type: textarea
+    id: solution
+    attributes:
+      label: Describe the solution you'd like
+      description: A clear and concise description of what you want to happen.
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Describe alternatives you've considered
+      description: A clear and concise description of any alternative solutions or features you've considered.
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional context
+      description: Add any other context or screenshots about the feature request here.
+
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this feature request, you agree to follow the IHE [Code of Conduct](https://github.com/IHE/.github/blob/main/CODE_OF_CONDUCT.md).
+      options:
+        - label: I agree to follow the IHE Code of Conduct
+          required: true
+

.github/ISSUE_TEMPLATE/public-comment-issue-template.yml

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+name: Public Comment
+description: File a bug report
+title: "[Bug]: "
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report!
+  - type: input
+    id: contact
+    attributes:
+      label: Contact Details
+      description: How can we get in touch with you if we need more info?
+      placeholder: ex. [email protected]
+    validations:
+      required: false
+  - type: textarea
+    id: where
+    attributes:
+      label: Section Number
+      description: Identify the most specific section number the issue occurs.
+      placeholder:  e.g. 4.1.2
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: What is wrong
+      description: Describe your issue. Don't write a book, but do include enough to indicate what you see as a problem.
+    validations:
+      required: true
+  - type: textarea
+    id: solution
+    attributes:
+      label: Describe the solution you'd like
+      description: A clear and concise description of what you want to happen.
+  - type: textarea
+    id: logs
+    attributes:
+      label: Relevant log output
+      description: Please copy and paste any relevant log output. This will be automatically formatted into code, so no need for backticks.
+      render: shell
+  - type: dropdown
+    id: priority
+    attributes:
+      label: Priority
+      multiple: false
+      options:
+        - High: Important issue where there is major issue to be resolved. Requires discussion and debate.
+        - Medium: Significant issue or clarification. Requires discussion, but should not lead to long debate.
+        - Low: Typo or other minor classification that an editor can manage. Requires no group discussion.
+    validations:
+      required: true
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Code of Conduct
+      description: By submitting this feature request, you agree to follow the IHE [Code of Conduct](https://github.com/IHE/.github/blob/main/CODE_OF_CONDUCT.md)
+      options:
+        - label: I agree to follow the IHE Code of Conduct
+          required: true
+