v0.2.1

• a190663 Utilize Js.Json.Boolean(bool) instead oif Js.Json.True, False #58
• a190663 Add support of uncurried mode for interface(*.resi) #58
• Support the compiler v11-rc.5 #61
• Add the feature of encoding/decoding between the number and (polymorphic)variant with @spice.as #64
• Fix generating encode, decode function when @spice.as with number #74