Add initial content to README.md

[sethwv]

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[dispatcharr-issues-bot]

This Pull Request was opened without using our Pull Request template.

Please review the CONTRIBUTING.md in full and edit this PR to use the pull request template in the description.
Your PR must include the 'How was it tested?' and 'Checklist' sections at minimum.

Failure to comply with our CONTRIBUTING.md, or requests wholly AI/CLI-created will result in your PR being closed and ignored.

This coment was added automatically.

[sethwv]

This Pull Request was opened without using our Pull Request template.

Please review the CONTRIBUTING.md in full and edit this PR to use the pull request template in the description.
Your PR must include the 'How was it tested?' and 'Checklist' sections at minimum.

Failure to comply with our CONTRIBUTING.md, or requests wholly AI/CLI-created will result in your PR being closed and ignored.

This coment was added automatically.