Fix formatting in bundles.md for UI links

Signed-off-by: Florian Hotze <[email protected]>

Author: florian-h05

administration/bundles.md

@@ -139,7 +139,7 @@ Bundles can either be built locally (through Maven) or downloaded directly from
       - UIs (Main UI, Basic UI): [WebUI Artifactory](https://openhab.jfrog.io/ui/native/sandbox-release/org/openhab/ui/bundles/)
    1. Previous openHAB stable release:
       - Add-ons: [Add-ons Artifactory](https://openhab.jfrog.io/ui/native/sandbox-snapshot/org/openhab/addons/bundles/)
-      - UIs (Main UI, Basic UI): [WebUI Artifactory](https://openhab.jfrog.io/ui/native/sandbox-snapshot/org/openhab/ui/bundles/) 
+      - UIs (Main UI, Basic UI): [WebUI Artifactory](https://openhab.jfrog.io/ui/native/sandbox-snapshot/org/openhab/ui/bundles/)
    1. Current openHAB milestone or snapshot:
       - Add-ons: [Add-ons Integration Build](https://ci.openhab.org/job/openHAB-Addons/lastSuccessfulBuild/artifact/bundles/)
       - UIs (Main UI, Basic UI): [WebUI Integration Build](https://ci.openhab.org/job/openHAB-WebUI/lastSuccessfulBuild/artifact/bundles/)