feat: Add project analyzer tools for discovering relevant awesome-cop…

[savitas1]

…ilot resources

• Add tool-advisor.agent.md: Expert advisor chat mode that recommends tools based on project analysis
• Add analyze-project-for-copilot-tools.prompt.md: Prompt to scan workspace and map technologies to tools
• Add overview.html: Interactive visual dashboard showing repository contents

These tools help users discover which of the 400+ resources are relevant to their specific projects by analyzing their tech stack.

Pull Request Checklist

• [ ] I have read and followed the CONTRIBUTING.md guidelines.
• [ ] My contribution adds a new instruction, prompt, or chat mode file in the correct directory.
• [ ] The file follows the required naming convention.
• [ ] The content is clearly structured and follows the example format.
• [ ] I have tested my instructions, prompt, or chat mode with GitHub Copilot.
• [ ] I have run npm start and verified that README.md is up to date.

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Description

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Type of Contribution

• [ ] New instruction file.
• [ ] New prompt file.
• [ ] New chat mode file.
• [ ] New collection file.
• [ ] Update to existing instruction, prompt, chat mode, or collection.
• [ ] Other (please specify):

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Additional Notes

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By submitting this pull request, I confirm that my contribution abides by the Code of Conduct and will be licensed under the MIT License.