-Added ability to save playlist as remote playlist link rather than storing it in database.

-Added LeakCanary as part of debug build.
-Modified bookmark list to show both remote and local playlists.
-Removed ability to save channel items as local playlist, in favor of subscribe.

app/build.gradle

@@ -89,4 +89,6 @@ dependencies {
 
     implementation 'frankiesardo:icepick:3.2.0'
     annotationProcessor 'frankiesardo:icepick-processor:3.2.0'
+
+    debugImplementation 'com.squareup.leakcanary:leakcanary-android:1.5.4'
 }