docs: job templates description improvement

[chandrashekhar07]

No description provided.

[Copilot]

Pull Request Overview

This PR enhances the job templates documentation by expanding the template example and adding detailed descriptions for previously undocumented fields.

• Expanded the JSON template example to include dataSource, dataDestination, params, and config fields
• Added comprehensive documentation sections for dataSource, dataDestination, params, and config fields with examples
• Added "fanout" to the spell-check dictionary

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 3 comments.

File	Description
create-with-bytenite/building-blocks/job-templates.md	Extended template example and added detailed documentation for dataSource, dataDestination, params, and config fields with multiple usage examples
.vscode/settings.json	Added "fanout" to cSpell dictionary to prevent false spelling errors

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