Annexare Countries Versions Save

Thanks @aetonsi for #60.

• NPM packages were upgraded, deprecated uglifyjs-webpack-plugin was replaced with terser-webpack-plugin, mainly for security (npm audit) reason.
• Setup GitHub Node.js CI
• Vatican phone code was updated in #56 (@michaeljamie).

Thanks for submitted updates to @joakim, @khadorkin, @icopp.

See #38 and #42. Thanks @icopp for pointing out and sorry for a delay on this update. Also, upgrade devDependencies to remove lodash security alerts.

Countries affected: Lithuania (now uses EUR), Western Sahara, Mauritania, São Tomé and Príncipe, Venezuela, Zimbabwe (updated currency codes and lists)

Thanks to @BitOfGold (#37) for contribution.

• Update Myanmar [Burma] native name and language name #31 by @zarnipyo
• Upgrade dependencies including Gulp, Webpack and UglifyJS, add Jest tests #32

• Update ES5 build, add SourceMap
• Update Type Definitions
• Update some source files and devDependencies