Remove unnecessary trailing / in prepare-docs.sh

[0xwitty]

The script contained a small but impactful issue in this line:

name="${f/#"$examples_source_dir/"/}"

The corrected version is:

name="${f/#"$examples_source_dir"/}"

Issue Explanation

The extra / after "$examples_source_dir" in the bash string substitution caused incorrect path handling. This could result in errors or malformed paths when processing examples, particularly when attempting to adjust imports and structure.

Why It Matters

• Functionality: This fix ensures the examples are correctly copied and their imports are properly adjusted, which is critical for generating accurate documentation.
• Maintainability: Removing this unnecessary character improves script readability and reduces potential confusion for future contributors.
• Compatibility: The fix ensures the script behaves reliably across different environments and path configurations.

This small change prevents potential issues during the documentation generation process and guarantees smoother execution.

PR Checklist

• Tests
• Documentation
• Changeset entry (run npx changeset add)

[changeset-bot]

⚠️ No Changeset found

Latest commit: b79052b

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[Amxx]

@ernestognw you worked a lot on docs. Can you please check this ? If you approve, feel free to merge with my second approval.

[ernestognw]

Both the old and new versions produce the same output so they're equivalent.

May be relevant since examples_source_dir does not have a trailing slash (/), but it seems that this line is treating / as a literal instead of a character.

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