feat: add extention for the Water Linked Sonar 3D-15

Author: Pederbs

repos/waterlinked/sonar/extension_logo.png

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+{
+    "name": "Water Linked 3D Sonar",
+    "website": "https://github.com/waterlinked/blueos-ugps-extension",
+    "docker": "waterlinked/blueos-sonar-extension",
+    "description": "Automatically finds the IP address of the sonar and provides a web interface to configure the sonar and view the sonar data."
+}