chore: replaced web3modal with appkit

[ignaciosantise]

Summary

Replaced "Web3Modal" -> "AppKit" in readme files

[changeset-bot]

⚠️ No Changeset found

Latest commit: e84f18c

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud