Add .call method to pbbuilder class #45
Description
Only after #44 is complete.
Similar to one in jbuilder:
https://github.com/rails/jbuilder/blob/main/lib/jbuilder.rb#L252-L258
{{ message }}
Only after #44 is complete.
Similar to one in jbuilder:
https://github.com/rails/jbuilder/blob/main/lib/jbuilder.rb#L252-L258