Refactor contributor credit request template format

Updated the contributor credit request template to use a code block for YAML formatting and removed the old textarea structure.

Author: sformel

.github/ISSUE_TEMPLATE/contributor-credit-request.md

@@ -7,51 +7,48 @@ assignees: ''
 
 ---
 
-- type: textarea
-  id: yaml
-  attributes:
-    label: Contributor YAML
-    description: Edit the template below - replace YOUR_*_HERE and delete roles/types that don't apply
-    value: |
-      - name: YOUR_NAME_HERE
-        orcid: YOUR_ORCID_HERE ((e.g. https://orcid.org/0000-0001-7418-1244)
-        affiliation: YOUR_INSTITUTION_HERE
-        roles:
-          - Conceptualization
-          - Data Curation
-          - Formal Analysis
-          - Funding Acquisition
-          - Investigation
-          - Methodology
-          - Project Administration
-          - Resources
-          - Software
-          - Supervision
-          - Validation
-          - Visualization
-          - Writing - Original Draft
-          - Writing - Review & Editing
-        type: Researcher
-        # Other type options (uncomment one if more appropriate):
-        # type: DataCollector
-        # type: DataCurator
-        # type: DataManager
-        # type: Distributor
-        # type: Editor
-        # type: HostingInstitution
-        # type: Producer
-        # type: ProjectLeader
-        # type: ProjectManager
-        # type: ProjectMember
-        # type: RegistrationAgency
-        # type: RegistrationAuthority
-        # type: RelatedPerson
-        # type: ResearchGroup
-        # type: RightsHolder
-        # type: Sponsor
-        # type: Supervisor
-        # type: WorkPackageLeader
-        # type: Other
-    render: yaml
-  validations:
-    required: true
+### Edit the template below - replace YOUR_*_HERE and delete roles/types that don't apply
+
+```yaml
+
+- name: YOUR_NAME_HERE
+  orcid: YOUR_ORCID_HERE  (e.g. https://orcid.org/0000-0001-7418-1244)
+  affiliation: YOUR_INSTITUTION_HERE
+  roles:
+    - Conceptualization
+    - Data Curation
+    - Formal Analysis
+    - Funding Acquisition
+    - Investigation
+    - Methodology
+    - Project Administration
+    - Resources
+    - Software
+    - Supervision
+    - Validation
+    - Visualization
+    - Writing - Original Draft
+    - Writing - Review & Editing
+  type: Researcher
+  # Other type options (uncomment one if more appropriate):
+  # type: DataCollector
+  # type: DataCurator
+  # type: DataManager
+  # type: Distributor
+  # type: Editor
+  # type: HostingInstitution
+  # type: Producer
+  # type: ProjectLeader
+  # type: ProjectManager
+  # type: ProjectMember
+  # type: RegistrationAgency
+  # type: RegistrationAuthority
+  # type: RelatedPerson
+  # type: ResearchGroup
+  # type: RightsHolder
+  # type: Sponsor
+  # type: Supervisor
+  # type: WorkPackageLeader
+  # type: Other
+
+```