Initial download manager

app/src/main/res/menu/chapter_selection.xml

@@ -3,6 +3,11 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <item android:id="@+id/action_download"
+        android:title="@string/action_download"
+        android:icon="@drawable/ic_file_download"
+        app:showAsAction="ifRoom"/>
+
     <item android:id="@+id/action_mark_as_read"
         android:title="@string/action_mark_as_read"
         android:icon="@drawable/ic_action_done_all"

app/src/main/res/values/keys.xml

@@ -4,4 +4,5 @@
     <string name="pref_category_accounts_key">pref_category_accounts_key</string>
     <string name="pref_fullscreen_key">pref_fullscreen_key</string>
     <string name="pref_default_viewer_key">pref_default_viewer_key</string>
+    <string name="pref_download_directory_key">pref_download_directory_key</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -86,6 +86,7 @@
     <string name="notification_completed">Update completed</string>
     <string name="notification_no_new_chapters">No new chapters found</string>
     <string name="notification_new_chapters">Found new chapters for:</string>
+    <string name="action_download">Download</string>
 
 
 </resources>