feat: create a hook useOffers() to simply get offers in a react app

[levalleux-ludo]

Description

Added useOffers hook to simplify querying offers in React applications using the Boson Protocol SDK.

Implementation:

• Created useOffers hook that wraps useCoreSdk and react-query for declarative offer fetching
• Accepts CoreSdkConfig, query variables, and react-query options
• Returns standard react-query result with loading states and data

Documentation:

• Added usage example in use-with-react.md showing how to fetch and display offers in a table component
• Example demonstrates integration with withQueryClientProvider HOC

const offers = hooks.useOffers(
  { envName: "testing", configId: "testing-80002-0" },
  { offersFirst: 10 }
);

How to test

1. Import the hook in a React component: import { hooks } from "@bosonprotocol/react-kit"
2. Use it with a valid config and query variables as shown in the documentation example
3. Verify offers are fetched and rendered correctly

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.98%. Comparing base (f89efd4) to head (ab7f32d).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #987   +/-   ##
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  Coverage   90.98%   90.98%           
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  Files         176      176           
  Lines        7190     7190           
  Branches     1322     1322           
=======================================
  Hits         6542     6542           
  Misses        648      648           

Flag	Coverage Δ
common	92.59% <ø> (ø)
core-sdk	56.41% <ø> (ø)
e2e	86.08% <ø> (ø)
eth-connect-sdk	95.06% <ø> (ø)
ethers-sdk	74.45% <ø> (ø)
ipfs-storage	91.75% <ø> (ø)
metadata	94.70% <ø> (ø)
unittests	60.76% <ø> (ø)

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[levalleux-ludo]

@copilot

[Copilot]

@levalleux-ludo I've opened a new pull request, #990, to work on those changes. Once the pull request is ready, I'll request review from you.

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✅ levalleux-ludo
❌ Copilot
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