[speedtest] Binding for Ookla's Speedtest - Initial contribution (#9913)

Also-by: Brian Homeyer <bhomeyer@gmail.com>
Signed-off-by: Michael Weger <weger.michael@gmx.net>

bundles/pom.xml

@@ -358,6 +358,7 @@
     <module>org.openhab.binding.sonyaudio</module>
     <module>org.openhab.binding.sonyprojector</module>
     <module>org.openhab.binding.souliss</module>
+    <module>org.openhab.binding.speedtest</module>
     <module>org.openhab.binding.spotify</module>
     <module>org.openhab.binding.squeezebox</module>
     <module>org.openhab.binding.surepetcare</module>