feat(docs): add interacting with metamask guide

[LesnyRumcajs]

Summary of changes

Changes introduced in this pull request:

• added a docs on interacting with MetaMask

Reference issue to close (if applicable)

Closes

Other information and links

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation. All new code adheres to the team's documentation standards,
• I have added tests that prove my fix is effective or that my feature works (if possible),
• I have made sure the CHANGELOG is up-to-date. All user-facing changes should be reflected in this document.

Outside contributions

• I have read and agree to the CONTRIBUTING document.
• I have read and agree to the AI Policy document. I understand that failure to comply with the guidelines will lead to rejection of the pull request.

Summary by CodeRabbit

• Documentation

  • Published a comprehensive new user guide for exporting Forest wallets to MetaMask, including step-by-step setup instructions, security best practices, and troubleshooting guidance for common issues.
  • Expanded dictionary entries to include relevant blockchain tools and services.

• Chores

  • Updated configuration settings for automated link validation.

[coderabbitai]

Walkthrough

This PR adds configuration and documentation changes: excludes "beryx.io" from link checking in lychee config, adds four spell-check dictionary entries (Beryx, Blockscout, Chainlist, MetaMask), and introduces a comprehensive guide for exporting Forest wallets to MetaMask with network configuration instructions.

Changes

Cohort / File(s)	Summary
Configuration & Documentation Setup .config/lychee.toml, docs/dictionary.txt	Added "beryx.io" to lychee exclude list for bot protection errors; added four new spell-check dictionary entries for domain/product names used in the guide.
New User Guide docs/docs/users/guides/exporting_wallet_to_metamask.md	New comprehensive guide documenting wallet export process from Forest to MetaMask, including prerequisites, step-by-step private key export instructions, network configuration for mainnet and calibnet, account import, and verification procedures.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Possibly related PRs

• fix(ci): link checker 403 Forbidden errors #5839: Also modifies .config/lychee.toml to exclude domains from lychee checks for bot protection/403 errors.

Suggested reviewers

• hanabi1224
• akaladarshi

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: adding a guide for interacting with MetaMask. It is specific, directly related to the primary content addition (the new documentation file), and follows conventional commit formatting.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch add-wallet-export-mm-guide

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