nixos/doc/release-notes: init 26.05 release notes

nixos/doc/manual/release-notes/rl-2605.section.md

@@ -0,0 +1,25 @@
+# Release 26.05 (2026.05/??) {#sec-release-26.05}
+
+## Highlights {#sec-release-26.05-highlights}
+
+<!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
+
+- Create the first release note entry in this section!
+
+## New Modules {#sec-release-26.05-new-modules}
+
+<!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
+
+- Create the first release note entry in this section!
+
+## Backward Incompatibilities {#sec-release-26.05-incompatibilities}
+
+<!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
+
+- Create the first release note entry in this section!
+
+## Other Notable Changes {#sec-release-26.05-notable-changes}
+
+<!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
+
+- Create the first release note entry in this section!