Updates to GitHub templates (#310)

Author: forsyth2

.github/DISCUSSION_TEMPLATE/questions.yml

@@ -18,6 +18,15 @@ body:
               - label: I searched the [zstash documentation](https://e3sm-project.github.io/zstash).
                 required: true
 
+    - type: textarea
+      id: deadline
+      attributes:
+          label: What is the deadline?
+          description: |
+              How urgently do you need a response to this question? Is there a day you need a resolution by? Knowing these constraints helps zstash developers properly priortize user questions.
+      validations:
+         required: true
+
     - type: textarea
       id: your-question
       attributes:

.github/ISSUE_TEMPLATE/config.yml

@@ -1,7 +1,7 @@
-blank_issues_enabled: true
+blank_issues_enabled: false
 contact_links:
     - name: Questions (zstash)
-      url: https://github.com/E3SM-Project/zstash/discussions
+      url: https://github.com/E3SM-Project/zstash/discussions/categories/questions
       about: |
           Ask questions and discuss with other zstash community members here. Please
           browse the zstash Discussions Forum or zstash documentation first before asking a

.github/ISSUE_TEMPLATE/other_issue.yml

@@ -0,0 +1,24 @@
+name: Other Issue
+description: Report an issue not covered by the other templates.
+body:
+    - type: checkboxes
+      id: checks
+      attributes:
+          label: Request criteria
+          description: Please confirm and check all the following options.
+          options:
+              - label: I searched the [zstash GitHub Discussions](https://github.com/E3SM-Project/zstash/discussions) to find a similar question and didn't find it.
+                required: true
+              - label: I searched the [zstash documentation](https://e3sm-project.github.io/zstash).
+                required: true
+              - label: This issue does not match the other templates (i.e., it is not a bug report, documentation request, feature request, or a question.)
+                required: true
+
+    - type: textarea
+      id: issue-description
+      attributes:
+          label: Issue description
+          description: |
+              Please describe the issue.
+      validations:
+          required: true