Merge pull request #199 from palkan/patch-1

fix: cast watermark_text

Author: DarthSim

lib/imgproxy/options.rb

@@ -51,6 +51,7 @@ class Options < Hash
       unsharpening:           Imgproxy::OptionsCasters::String,
       watermark:              Imgproxy::OptionsCasters::Watermark,
       watermark_url:          Imgproxy::OptionsCasters::Base64,
+      watermark_text:         Imgproxy::OptionsCasters::Base64,
       style:                  Imgproxy::OptionsCasters::Base64,
       jpeg_options:           Imgproxy::OptionsCasters::JpegOptions,
       png_options:            Imgproxy::OptionsCasters::PngOptions,