- The main API has changed from https://twinnation.org/api/v1/ip to https://twin.sh/api/v1/ip
- There is now a 1s timeout for the main API call, after which it will fall back to the secondary API

- Added copy to clipboard button
- Replaced usage of innerHTML by innerText for security reasons

- Updated API endpoint from /api/ip to /api/v1/ip
- Added extra layer of security by sanitizing characters

On top of the previous check, which only looked for the amount of characters, we now remove all characters which should not belong in an IPv4 or an IPv6.

These are the allowed characters:
- A-F
- a-f
- 0-9
- .
- :

- Updated style for optimal cross-compatibility between browsers
- Added 128px icon
- Updated repository URL

- Added fallback API in case main API goes down

- Fixed issue with refresh button not working
- Fixed occasional visual glitch