Add favorite property for items and associated filters.

client/strings/en-us.json

@@ -367,6 +367,7 @@
   "LabelExplicitChecked": "Explicit (checked)",
   "LabelExplicitUnchecked": "Not Explicit (unchecked)",
   "LabelExportOPML": "Export OPML",
+  "LabelFavorite": "Favorite",
   "LabelFeedURL": "Feed URL",
   "LabelFetchingMetadata": "Fetching Metadata",
   "LabelFile": "File",
@@ -497,6 +498,7 @@
   "LabelNumberOfBooks": "Number of Books",
   "LabelNumberOfChapters": "Number of chapters:",
   "LabelNumberOfEpisodes": "# of Episodes",
+  "LabelOnlyFavorites": "Only Favorites",
   "LabelOpenIDAdvancedPermsClaimDescription": "Name of the OpenID claim that contains advanced permissions for user actions within the application which will apply to non-admin roles (<b>if configured</b>). If the claim is missing from the response, access to ABS will be denied. If a single option is missing, it will be treated as <code>false</code>. Ensure the identity provider's claim matches the expected structure:",
   "LabelOpenIDClaims": "Leave the following options empty to disable advanced group and permissions assignment, automatically assigning 'User' group then.",
   "LabelOpenIDGroupClaimDescription": "Name of the OpenID claim that contains a list of the user's groups. Commonly referred to as <code>groups</code>. <b>If configured</b>, the application will automatically assign roles based on the user's group memberships, provided that these groups are named case-insensitively 'admin', 'user', or 'guest' in the claim. The claim should contain a list, and if a user belongs to multiple groups, the application will assign the role corresponding to the highest level of access. If no group matches, access will be denied.",