chore: Update create-theme workflow to include author information and image in theme submission

.github/ISSUE_TEMPLATE/create-theme.yml

@@ -24,9 +24,13 @@ body:
     attributes:
       label: Homepage
       description: The URL of the theme's homepage or repository.
-      placeholder: Theme Homepage
-    validations:
-      required: true
+      placeholder: https://github.com/...
+  - type: input
+    id: image
+    attributes:
+      label: Image
+      description: "A URL to an image representing the theme. It can be a temporary image, it will be cloned to the theme library. Note: The image must be a PNG file. E.g. an imgur link."
+      placeholder: https://...
   - type: textarea
     id: styles
     attributes:

.github/workflows/create-theme.yml

@@ -31,6 +31,7 @@ jobs:
           echo "THEME_NAME=${{ fromJson(steps.issue-parser.outputs.jsonString)['name'] }}" >> $GITHUB_ENV
           echo "THEME_DESCRIPTION=${{ fromJson(steps.issue-parser.outputs.jsonString)['description'] }}" >> $GITHUB_ENV
           echo "THEME_HOMEPAGE=${{ fromJson(steps.issue-parser.outputs.jsonString)['homepage'] }}" >> $GITHUB_ENV
+          echo "THEME_IMAGE=${{ fromJson(steps.issue-parser.outputs.jsonString)['image'] }}" >> $GITHUB_ENV
           echo "THEME_AUTHOR=${{ github.event.issue.user.login }}" >> $GITHUB_ENV
 
       - name: Write styles to file
@@ -56,6 +57,7 @@ jobs:
               --name "${{ env.THEME_NAME }}" \
               --description "${{ env.THEME_DESCRIPTION }}" \
               --author "${{ env.THEME_AUTHOR }}" \
+              --image "${{ env.THEME_IMAGE }}" \
               --homepage "${{ env.THEME_HOMEPAGE }}" 2> error.log
 
       - name: Export creation output
@@ -103,7 +105,7 @@ jobs:
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           comment: |
-            # Thank you for your contribution!
+            # Thank you for your contribution! :tada:
 
             Your theme has been successfully submitted. The maintainers will review it and get back to you soon.