Fixed Non-ASCII attachment filename will crash when downloading.

Thanks to xet7 !

Fixes #2759

packages/wekan-cfs-gridfs/api.md

@@ -0,0 +1,69 @@
+## cfs-gridfs Public API ##
+
+GridFS storage adapter for CollectionFS
+
+_API documentation automatically generated by [docmeteor](https://github.com/raix/docmeteor)._
+
+-
+
+### <a name="FS.Store.GridFS"></a>new *fsStore*.GridFS(name, options)&nbsp;&nbsp;<sub><i>Server</i></sub> ###
+
+*This method __GridFS__ is defined in `FS.Store`*
+
+__Arguments__
+
+* __name__ *{String}*  
+
+ The store name
+
+* __options__ *{Object}*  
+    * __beforeSave__ *{Function}*  (Optional)
+
+     Function to run before saving a file from the server. The context of the function will be the `FS.File` instance we're saving. The function may alter its properties.
+
+    * __maxTries__ *{Number}*  (Optional, Default = 5)
+
+     Max times to attempt saving a file
+
+
+__Returns__  *{FS.StorageAdapter}*
+An instance of FS.StorageAdapter.
+
+
+Creates a GridFS store instance on the server. Inherits from FS.StorageAdapter
+type.
+
+> ```FS.Store.GridFS = function(name, options) { ...``` [gridfs.server.js:16](gridfs.server.js#L16)
+
+
+-
+
+### <a name="FS.Store.GridFS"></a>new *fsStore*.GridFS(name, options)&nbsp;&nbsp;<sub><i>Client</i></sub> ###
+
+*This method __GridFS__ is defined in `FS.Store`*
+
+__Arguments__
+
+* __name__ *{String}*  
+
+ The store name
+
+* __options__ *{Object}*  
+    * __beforeSave__ *{Function}*  (Optional)
+
+     Function to run before saving a file from the client. The context of the function will be the `FS.File` instance we're saving. The function may alter its properties.
+
+    * __maxTries__ *{Number}*  (Optional, Default = 5)
+
+     Max times to attempt saving a file
+
+
+__Returns__  *{undefined}*
+
+
+Creates a GridFS store instance on the client, which is just a shell object
+storing some info.
+
+> ```FS.Store.GridFS = function(name, options) { ...``` [gridfs.client.js:13](gridfs.client.js#L13)
+
+