[WIP] Move agent prompts to separate file for better maintainability

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Move agent prompts to separate file</issue_title>
<issue_description>Prompts are hardcoded in line which causes hard readability and maintainability. We want to move those to separate files and read at startup.</issue_description>

<agent_instructions>make the files simple text files</agent_instructions>

Comments on the Issue (you are @copilot in this section)

• Fixes Move agent prompts to separate file #14

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[tommasodotNET]

@copilot implement the issue