Implement Pandoc-based document converter with hybrid approach for improved performance and format support#16

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copilot/fix-ac93ba6d-d2c9-44e8-b40a-008bd56ccd6bprofcomff/converter-api:copilot/fix-ac93ba6d-d2c9-44e8-b40a-008bd56ccd6bCopy head branch name to clipboard