Add settings

mobile/src/main/java/be/mygod/vpnhotspot/SettingsActivity.kt

@@ -0,0 +1,14 @@
+package be.mygod.vpnhotspot
+
+import android.databinding.DataBindingUtil
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+import be.mygod.vpnhotspot.databinding.ActivitySettingsBinding
+
+class SettingsActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        DataBindingUtil.setContentView<ActivitySettingsBinding>(this, R.layout.activity_settings)
+                .toolbar.setNavigationOnClickListener({ finish() })
+    }
+}