Feature: Allow accents from social media accounts

[alf0ns3]

At least for Facebook accounts, it's possible to have accents on the accounts.

Could it be possible to change the regex to include them?

• https://github.com/systemli/ticker-admin/blob/main/src/components/ticker/form/Facebook.tsx#L17
• https://github.com/systemli/ticker-admin/blob/main/src/components/ticker/form/Instagram.tsx#L17
• https://github.com/systemli/ticker-admin/blob/main/src/components/ticker/form/Twitter.tsx#L17

From this post: https://stackoverflow.com/a/24676780 , I propose this pattern:

/^((?![×Þß÷þø])[a-zà-žA-ZÀ-Ž0-9._]+)$/

https://regex101.com/r/0YD67J/1