Add a world worldwide country option

[internetammo]

Issue Description

Add a world country that will be a new selectable global /earth icon and text 'world'

Steps to Reproduce / Code Snippets

add to datasets

Expected Results

if you type world a global icon and the word 'world' will appear in the country list as a selectable option, will have a +0 calling code so there are no conflicts with null values

Additional Information

• Nodejs version: [FILL THIS OUT]
• React version: [FILL THIS OUT]
• React Native version: [FILL THIS OUT]
• react-native-country-picker-modal version: [FILL THIS OUT]
• Platform(s) (iOS, Android, web, or all?): [FILL THIS OUT]
• TypeScript version: [FILL THIS OUT]

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.