Add license and use stable fxtras version

build.gradle

@@ -37,7 +37,7 @@ dependencies {
     // Main QuPath user interface jar.
     // Automatically includes other QuPath jars as subdependencies.
     implementation "io.github.qupath:qupath-gui-fx:${qupathVersion}"
-    implementation 'io.github.qupath:qupath-fxtras:0.1.0-SNAPSHOT'
+    implementation 'io.github.qupath:qupath-fxtras:0.1.0'
 
     // For logging - the version comes from QuPath's version catalog at
     // https://github.com/qupath/qupath/blob/main/gradle/libs.versions.toml

src/main/java/qupath/ext/wsinfer/models/WSInferModelLocal.java

@@ -1,3 +1,19 @@
+/**
+ * Copyright 2023 University of Edinburgh
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package qupath.ext.wsinfer.models;
 
 import java.io.File;