Refactor: Improve CHANGELOG.md formatting

This commit refactors the Liquid templating in `CHANGELOG.md` to:
- Indent Liquid logic for better readability.
- Improve spacing around headings (##, ###) and list items (-) for a cleaner rendered output.

CHANGELOG.md

@@ -63,18 +63,27 @@ title: "Changelog"
   {% endif %}
 {% endfor %}
 
-{% comment %} Check if there are any bullet points (actual release notes) {% endcomment %}
-{% if processed_lines contains "## " or processed_lines contains "- " %}
-{% assign spaced_content = processed_lines | replace: "
+{% comment %} Add proper spacing between sections and bullet points {% endcomment %}
+{% assign final_content = processed_lines | replace: "
+### ", "
 
+### " %}
+{% assign final_content = final_content | replace: "
+## ", "
+
+## " %}
+{% assign final_content = final_content | replace: "
 - ", "
 
 - " %}
-  {{ spaced_content | markdownify }}
+
+{% comment %} Check if there are any bullet points (actual release notes) {% endcomment %}
+{% if final_content contains "## " or final_content contains "- " %}
+  {{ final_content | markdownify }}
 {% else %}
   *No release notes available.*
   
-  {{ processed_lines | markdownify }}
+  {{ final_content | markdownify }}
 {% endif %}
 
 ---