Signed commit (#420)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit

* **Style**
* Minor whitespace and formatting adjustments with no functional impact.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: jairovelasquez

.codio

@@ -8,7 +8,7 @@
     // Preview button configuration
     "preview": {
         "Instructor": "https://{{domain}}/build/html/index.html",
-        "Preview": "https://{{domain}}/build/html/{{path}}/{{filename_no_ext}}.html",
+        "Preview": "https://{{domain}}/build/html/{{path}}/{{filename_no_ext}}.html", 
         "Student": "https://{{domain}}/build/html/student.html",
         "Visit Ungit": "https://{{domain4000}}/#/repository?path=%2Fhome%2Fcodio%2Fworkspace"