Add korapxml2conllu shortcut

Change-Id: Ic53e088042a27bd046563805fcd9d3aa8744cf01
diff --git a/app/build.gradle b/app/build.gradle
index 555c245..fa09110 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -150,8 +150,10 @@
     def binDir = rootProject.file("build/bin")
     def targetExec = new File(binDir, "korapxmltool")
     def krillExec = new File(binDir, "korapxml2krill")
+    def conlluExec = new File(binDir, "korapxml2conllu")
     outputs.file(targetExec)
     outputs.file(krillExec)
+    outputs.file(conlluExec)
 
     doLast {
         def shebang = rootProject.file("korapxmltool.shebang")
@@ -187,6 +189,22 @@
             java.nio.file.Files.copy(targetExec.toPath(), krillExec.toPath())
             krillExec.setExecutable(true, false)
         }
+        
+        // Create korapxml2conllu symlink for backward compatibility
+        if (conlluExec.exists()) {
+            conlluExec.delete()
+        }
+        try {
+            java.nio.file.Files.createSymbolicLink(
+                conlluExec.toPath(),
+                java.nio.file.Paths.get("korapxmltool")
+            )
+            println "Created symlink: korapxml2conllu -> korapxmltool"
+        } catch (Exception e) {
+            println "Warning: Could not create korapxml2conllu symlink (${e.message}), copying instead"
+            java.nio.file.Files.copy(targetExec.toPath(), conlluExec.toPath())
+            conlluExec.setExecutable(true, false)
+        }
     }
 }