chore(repo): add why section and maintainer PR templates (#12091)

.github/PULL_REQUEST_TEMPLATE/default.md

@@ -0,0 +1,13 @@
+<!-- one sentence describing what this PR does -->
+
+## Changes
+
+-
+
+## Why
+
+<!-- why these changes are needed, what they try to achieve, and why they make sense -->
+
+## Issues
+
+- Fixes

.github/PULL_REQUEST_TEMPLATE/version.md

@@ -0,0 +1,41 @@
+<!-- one or two sentence summary of this version -->
+
+## Breaking Changes
+
+-
+
+## Security
+
+-
+
+## Added
+
+-
+
+## Changed
+
+-
+
+## Deprecated
+
+-
+
+## Fixed
+
+-
+
+## Removed
+
+-
+
+## Refactored
+
+-
+
+## Maintenance
+
+-
+
+## Issues
+
+- Fixes

.github/pull_request_template.md

@@ -2,10 +2,14 @@
 
 ## Changes
 
-<!-- Describe what changes were made and why in your own words. This "Changes" section must be human-written and not AI-generated. -->
+<!-- List what changes were made in your own words. This "Changes" section must be human-written and not AI-generated. -->
 
 -
 
+## Why
+
+<!-- Explain why these changes are needed, what they try to achieve, and why they make sense for Coolify. This "Why" section must be human-written and not AI-generated. -->
+
 ## Issues
 
 <!-- Link related issues or discussions. If reopening a closed PR, explain why it should be reconsidered. -->