add missing ACP defaults for new install

install/data/defaults.json

@@ -9,6 +9,8 @@
     "maximumPostLength": 32767,
     "minimumTagsPerTopic": 0,
     "maximumTagsPerTopic": 5,
+    "minimumTagLength": 3,
+    "maximumTagLength": 15,
     "allowGuestSearching": 0,
     "allowTopicsThumbnail": 0,
     "registrationType": "normal",
@@ -30,5 +32,7 @@
     "requireEmailConfirmation": 0,
     "allowProfileImageUploads": 1,
     "teaserPost": "last",
-    "allowPrivateGroups": 1
+    "allowPrivateGroups": 1,
+    "unreadCutoff": 2,
+    "bookmarkthreshold": 5
 }