Update /rest/db/ignores for 0.13 changes

GitHub-Pull-Request: https://github.com/syncthing/docs/pull/174

rest/db-ignores-get.rst

@@ -2,19 +2,17 @@ GET /rest/db/ignores
 ====================
 
 Takes one parameter, ``folder``, and returns the content of the
-``.stignore`` as the ``ignore`` field. A second field, ``patterns``,
-provides a compiled version of all included ignore patterns in the form
-of regular expressions. Excluded items in the ``patterns`` field have a
-nonstandard ``(?exclude)`` marker in front of the regular expression.
+``.stignore`` as the ``ignore`` field. A second field, ``expanded``,
+provides a list of strings which represent globbing patterns described by gobwas/glob (based on standard wildcards) that match the patterns in ``.stignore`` and all the includes. If appropriate these globs are prepended by the following modifiers: ``!`` to negate the glob, ``(?i)`` to do case insensitive matching and ``(?d)`` to enable removing of ignored files in an otherwise empty directory.
 
 .. code-block:: json
 
     {
       "ignore": [
-        "/Backups"
+        "(?i)/Backups"
       ],
-      "patterns": [
-        "(?i)^Backups$",
-        "(?i)^Backups/.*$"
+      "expanded": [
+        "(?i)Backups",
+        "(?i)Backups/**"
       ]
     }