v0.2.0

• Add support for vue2 with @userback/vue2 (#42 )
• Add examples for nuxt2 and nuxt3 (#43 )
• Remove usage of .cjs for @userback/widget, fixes issue with webpack4 importing both cjs/mjs modules and breaking (#42 )
• Remove deprecated React.defaultProps in favor of optional params - Thanks @eluce2 (#40 )
• npm package updates and misc development improvements