title: Can Paperclip convert jpg/png images to webp format? If yes, how to use it while defining the style hash for paperclip?
body: <p>I am using paperclip compression in my model and i want to convert the image into webp before uploading it to s3. But the conversion is not happening, I am still getting the png image when I am visiting the url of the image.</p>
  
  <pre><code>  class ImageTesting
    include Mongoid::Document
    include Mongoid::Timestamps
    include Paperclip::Glue
  
     has_attached_file :image, :processors =&gt; [:thumbnail, :compression],
    :styles =&gt; {
                  :xxlarge_square =&gt; ["640x640&gt;",  { lossless: true } , :webp],
                  :xlarge_square =&gt; ["480x480&gt;",  { lossless: true } , :webp],
                  :large_square =&gt; ["240x240&gt;",  { lossless: true } ,:webp]
                },
     :convert_options =&gt; {
        :all =&gt; '-quality 80'
      },
  
     :storage =&gt; :s3,
     :s3_credentials =&gt; 'xxx',
     :s3_host_name =&gt; 'xxx',
     :s3_host_alias =&gt; 'xxx',
     :url =&gt; ':s3_alias_url',
     :path =&gt; ":class/:attachment/:id/:style"
  
    field :image_file_name, type: String
    field :image_updated_at, type: DateTime
    field :image_content_type, type: String
    field :image_file_size, type: Integer
  end
  </code></pre>