Add Sepolia test network

[oehm-smith]

Add Sepolia test network

Issue ticket number and link

na

Checklist before requesting a review

• I have performed a self-review of my code
• [na ] If it is a core feature, I have added thorough tests.
• Will this be part of a product update? If yes, please write one phrase about this update.

This feature adds the Sepolia Ethereum test network so that it can be chosen when the user chooses 'Connect Wallet'.

[huseyindeniz]

Thank you very much the PR @oehm-smith ,

If it's not too much to ask, could you update the version in 2 locations.

1. package.json line 4: "version": "0.5.4",
2. Copyright.tsx line 11: <Tooltip label="Powered by React dApp Template (Vite) v0.5.4">

Side note: I definitely need to automate versioning.

[huseyindeniz]

I saw that linting is failing in 2 files:
Quick tip:
you can run npm run lint on your local to see linting errors
and you can run npm run lint -- --fix to fix them automatically
or you can fix them manually inside the file by using VS Code context menu:

[oehm-smith]

I'll look at these things.

[oehm-smith]

Changes performed and pushed.

[huseyindeniz]

it looks ok me. thanks for the effort @oehm-smith