Extract all SVG icons to a component

[jabranr]

Currently all SVG icons are placed in multiple files where they are used. The code is quite repetitive.

Implement DRY by extracting out the icons to a React component.

References

• https://github.com/jabranr/covidonation/blob/master/src/components/organisation/index.js#L9
• https://github.com/jabranr/covidonation/blob/master/src/components/organisation/index.js#L20
• https://github.com/jabranr/covidonation/blob/master/src/components/organisation/index.js#L32
• https://github.com/jabranr/covidonation/blob/master/src/components/organisation/index.js#L44
• https://github.com/jabranr/covidonation/blob/master/src/components/organisation/index.js#L50
• https://github.com/jabranr/covidonation/blob/master/src/components/organisation/index.js#L56
• https://github.com/jabranr/covidonation/blob/master/src/components/organisation/index.js#L69
• https://github.com/jabranr/covidonation/blob/master/src/pages/country.js#L17