Display quotes count on posts and add quotes list page

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

src/i18n/en.json

@@ -190,7 +190,8 @@
     "mobile_notifications": "Open notifications (there are unread ones)",
     "mobile_notifications_close": "Close notifications",
     "mobile_notifications_mark_as_seen": "Mark all as seen",
-    "announcements": "Announcements"
+    "announcements": "Announcements",
+    "quotes": "Quotes"
   },
   "notifications": {
     "broken_favorite": "Unknown status, searching for it…",
@@ -996,6 +997,7 @@
   "status": {
     "favorites": "Favorites",
     "repeats": "Repeats",
+    "quotes": "Quotes",
     "repeat_confirm": "Do you really want to repeat this status?",
     "repeat_confirm_title": "Repeat confirmation",
     "repeat_confirm_accept_button": "Repeat",