adds RFOVE tool

[kostrykin]

Tutorial for Docker-based Galaxy tools:
https://crs4.github.io/Galaxy4Developers/lectures/06.docker_and_galaxy/#integrating-docker-based-tools-within-galaxy

Dockerfile: https://github.com/kostrykin/rfove

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FOR CONTRIBUTOR:

• - I have read the CONTRIBUTING.md document and this tool is appropriate for the galaxy-image-analysis repo.
• - License permits unrestricted use (educational + commercial)
• - This PR adds a new tool or tool collection
• - This PR updates an existing tool or tool collection
• - This PR does something else (explain below)
• - Tools added/updated by this PR (if any) comply with the Naming and Annotation Conventions for Tools in the Image Community in Galaxy (or please explain why they do not)