Add support for images

lib/ezdoc/package.rb

@@ -16,6 +16,12 @@ module Ezdoc
         zipfile.get_output_stream("word/document.xml") { |f| f.write(document_xml) }
 
         zipfile.get_output_stream("word/numbering.xml") { |f| f.write(numbering_xml) } if lists?
+
+        images.each do |image|
+          zipfile.get_output_stream("word/media/#{image.filename}") do |f|
+            f.write(File.binread(image.path))
+          end
+        end
       end
     end
 
@@ -25,8 +31,12 @@ module Ezdoc
       @document.lists.any?
     end
 
+    def images
+      @document.images
+    end
+
     def content_types_xml
-      Xml::ContentTypes.new(has_numbering: lists?).to_xml
+      Xml::ContentTypes.new(has_numbering: lists?, images: images).to_xml
     end
 
     def relationships_xml
@@ -34,7 +44,7 @@ module Ezdoc
     end
 
     def document_relationships_xml
-      Xml::DocumentRelationships.new(has_numbering: lists?).to_xml
+      Xml::DocumentRelationships.new(has_numbering: lists?, images: images).to_xml
     end
 
     def document_xml