Actions (#10)

* Actions

* Make publish work

build.gradle

@@ -1,5 +1,6 @@
 plugins {
     id 'java-library'
+    id 'maven-publish'
     id 'com.github.johnrengelman.shadow' version '8.1.1'
     // Include this plugin to avoid downloading JavaCPP dependencies for all platforms
     id 'org.bytedeco.gradle-javacpp-platform'
@@ -74,7 +75,7 @@ tasks.register("copyDependencies", Copy) {
 }
 
 /*
- * Ensure Java 17 compatibility, and include sources and javadocs when building.
+ * Ensure Java compatibility, and include sources and javadocs when building.
  */
 java {
     toolchain {
@@ -126,3 +127,35 @@ repositories {
         url "https://maven.scijava.org/content/repositories/snapshots"
     }
 }
+
+
+publishing {
+    repositories {
+        maven {
+            name = "SciJava"
+            def releasesRepoUrl = uri("https://maven.scijava.org/content/repositories/releases")
+            def snapshotsRepoUrl = uri("https://maven.scijava.org/content/repositories/snapshots")
+            // Use gradle -Prelease publish
+            url = project.hasProperty('release') ? releasesRepoUrl : snapshotsRepoUrl
+            credentials {
+                username = System.getenv("MAVEN_USER")
+                password = System.getenv("MAVEN_PASS")
+            }
+        }
+    }
+
+    publications {
+        mavenJava(MavenPublication) {
+            from components.java
+
+            pom {
+                licenses {
+                    license {
+                        name = 'Apache License v2.0'
+                        url = 'http://www.apache.org/licenses/LICENSE-2.0'
+                    }
+                }
+            }
+        }
+    }
+}