feat: implemented the ability to choose external storage (if available) as storage for offline file downloads

app/src/main/java/com/cappielloantonio/tempo/interfaces/DialogClickCallback.java

@@ -0,0 +1,13 @@
+package com.cappielloantonio.tempo.interfaces;
+
+
+import androidx.annotation.Keep;
+
+@Keep
+public interface DialogClickCallback {
+    default void onPositiveClick() {}
+
+    default void onNegativeClick() {}
+
+    default void onNeutralClick() {}
+}