Update changelog for 1.5 release

Author: dimitry-ishenko

debian/changelog

@@ -1,3 +1,12 @@
+devdocs (1.5) unstable; urgency=medium
+
+  * Update docs
+  * Prepare for v1.5
+  * d/copyright: update
+  * Add LICENSE.md
+
+ -- Dimitry Ishenko <dimitry.ishenko@gmail.com>  Sat, 15 Aug 2026 09:15:54 -0400
+
 devdocs (1.4) unstable; urgency=medium
 
   * Add Debian release workflow