Add zkFold Smart Wallet to Showcase

[vlasin]

👋 Hello there! Welcome. Please follow the steps below to tell us about your contribution.

1. Please complete a Checklist
2. Fill in all sections of the template
3. Click "Create pull request"

Checklist

<-- Please fill the boxes with [x] before submitting a pull request -->

• I have read the Contributing Guidelines.
• I have read the Showcase Requirements
• I have run yarn build after adding my changes without getting any errors.
• I have not committed any changes to yarn.lock (or have removed these changes).

Showcase addition

<-- Provide information for every bullet in the list below. The tags you select must match the tags in your changes to the showcase.js -->

• Title: Project name
• Description: Describe your project
• Website: <link_to_project>
• Source: <link_to_source_code>
• Tags:
  • analytics
  • daotool
  • dex
  • ecosystem
  • explorer
  • educational
  • game
  • gateway
  • identity
  • marketplace
  • minting
  • opensource
  • pooltool
  • metadata
  • token
  • nftproject
  • nftsupport
  • opensource
  • wallet
  • catalyst

[rphair]

correlating with #1671 (I hope to review the two of them soon)

[vlasin]

Launch announcement on X regarding this product:
https://x.com/zkFold/status/1986031607434629213

[rphair]

FYI I just manually resolved the merge conflict (from another Showcase item being merged in the meantime) so we can run the CI builder on this.

[rphair]

posted preliminary review here, which also refers to this submission:

• Add Smart Wallet API to Builder Tools #1671 (review)