Move source files from 'java' to 'kotlin' folder

app/src/main/kotlin/com/github/gotify/log/UncaughtExceptionHandler.kt

@@ -0,0 +1,11 @@
+package com.github.gotify.log
+
+import com.github.gotify.log.Log.e
+
+internal object UncaughtExceptionHandler {
+    fun registerCurrentThread() {
+        Thread.setDefaultUncaughtExceptionHandler { _, e: Throwable? ->
+            e("uncaught exception", e!!)
+        }
+    }
+}