chore: update readme

[dutterbutter]

What 💻

• Adds run instructions for ui-examples

Why ✋

• Instructions are good

Evidence 📷

Include screenshots, screen recordings, or console output here demonstrating that your changes work as intended

[Copilot]

Pull Request Overview

This PR removes StackBlitz integration links and replaces them with simplified setup instructions for running the UI examples locally. The changes standardize the README files across multiple example directories by providing consistent documentation for local development.

• Removed StackBlitz "Open in StackBlitz" badges from all UI example READMEs
• Added clear setup instructions with bun install and bun run dev commands
• Standardized documentation format across viem and ethers examples

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
examples/viem/ui-examples/withdrawals/README.md	Replaced StackBlitz badge with local setup instructions for viem withdrawals example
examples/viem/ui-examples/deposits/README.md	Replaced StackBlitz badge with local setup instructions for viem deposits example
examples/ethers/ui-examples/withdrawals/README.md	Replaced StackBlitz badge with local setup instructions for ethers withdrawals example
examples/ethers/ui-examples/deposits/README.md	Replaced StackBlitz badge with local setup instructions for ethers deposits example

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[github-actions]

ci-run-tests LCOV of commit 94f49a4 during ci-run-tests #167

Summary coverage rate:
  lines......: 85.9% (9989 of 11624 lines)
  functions..: no data found
  branches...: no data found

Files changed coverage rate: n/a

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.93%. Comparing base (2368f8a) to head (94f49a4).
❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #61   +/-   ##
=======================================
  Coverage   85.93%   85.93%           
=======================================
  Files          75       75           
  Lines       11624    11624           
=======================================
  Hits         9989     9989           
  Misses       1635     1635           

Flag	Coverage Δ
combined	85.93% <ø> (ø)

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