is there any docs/blogs available?

[amolpujari]

simply following readme not helping out much, I am trying to connect using ubuntu files utility, however seeing several errors, might be missing something, trying to figure out each err on by one.

example

Started PROPFIND "/webdav/123" for 127.0.0.1 at 2019-12-21 12:31:12 +0530
Processing by Calligraphy::Rails::WebDavRequestsController#invoke_method as HTML
  Parameters: {"resource_class"=>Calligraphy::FileResource, "resource_root_path"=>"/home/amol/git/myapp/projects", "resource"=>"123"}
Completed 500 Internal Server Error in 3ms (ActiveRecord: 0.0ms)
  
NoMethodError (undefined method `etag' for nil:NilClass):
  

123 is a folder at shared path