_Sidebar.md: Updated with changelogs and world transactions.

Author: Sandertv

_Sidebar.md

@@ -3,9 +3,11 @@
 * [Installation](https://github.com/df-mc/dragonfly/wiki/Installation)
 * [FAQ](https://github.com/df-mc/dragonfly/wiki/Frequently-Asked-Questions-(FAQ))
 * [Releases](https://github.com/df-mc/dragonfly/wiki/Releases)
+    - [v0.9.19](https://github.com/df-mc/dragonfly/wiki/Changelog-v0.9.19.md)
 * Developer Resources
     - [Getting Started](https://github.com/df-mc/dragonfly/wiki/Getting-Started)
     - [Event handlers](https://github.com/df-mc/dragonfly/wiki/Event-Handlers)
+    - [World transactions](https://github.com/df-mc/dragonfly/wiki/World-Transactions.md)
     - [Forms](https://github.com/df-mc/dragonfly/wiki/Forms)
     - [Commands](https://github.com/df-mc/dragonfly/wiki/Commands)
     - [Scoreboards](https://github.com/df-mc/dragonfly/wiki/Scoreboards)