Update GenerateDeb.java

Author: fvarrui

src/main/java/io/github/fvarrui/javapackager/gradle/GenerateDeb.java

@@ -64,6 +64,7 @@ public File apply(Packager packager) throws Exception {
 		debTask.setDistribution("development");
 		debTask.setEpoch(0);
 		debTask.setRelease("1");
+		debTask.customField("Section", "misc");
 
 		// installation destination
 		debTask.into("/opt/" + name);