Improve javadoc for some addons (#15701)

Signed-off-by: Holger Friedrich <mail@holger-friedrich.de>

bundles/org.openhab.binding.pilight/src/main/java/org/openhab/binding/pilight/internal/dto/Code.java

@@ -16,7 +16,8 @@ package org.openhab.binding.pilight.internal.dto;
  * Part of the {@link Action} message that is sent to pilight.
  * This contains the desired state for a single device.
  *
- * {@link http://www.pilight.org/development/api/#sender}
+ * @see <a href="https://manual.pilight.org/development/socket/index.html">
+ *      https://manual.pilight.org/development/socket/index.html</a>
  *
  * @author Jeroen Idserda - Initial contribution
  * @author Stefan Röllin - Port to openHAB 2 pilight binding

bundles/org.openhab.binding.pilight/src/main/java/org/openhab/binding/pilight/internal/dto/Config.java

@@ -19,7 +19,8 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 /**
  * pilight configuration object
  *
- * {@link http://www.pilight.org/development/api/#controller}
+ * @see <a href="https://manual.pilight.org/development/socket/index.html">
+ *      https://manual.pilight.org/development/socket/index.html</a>
  *
  * @author Jeroen Idserda - Initial contribution
  * @author Stefan Röllin - Port to openHAB 2 pilight binding

bundles/org.openhab.binding.pilight/src/main/java/org/openhab/binding/pilight/internal/dto/Version.java

@@ -17,7 +17,8 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 /**
  * pilight version information object
  *
- * {@link http://www.pilight.org/development/api/#controller}
+ * @see <a href="https://manual.pilight.org/development/socket/index.html">
+ *      https://manual.pilight.org/development/socket/index.html</a>
  *
  * @author Niklas Dörfler - Initial contribution
  */