Add service definition for MLProbs - a new Multiple Sequence Alignment pipeline

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Source: https://github.com/kuangmeng/MLProbs
Citation.
M. Kuang, Y. Zhang, T. -W. Lam and H. -F. Ting, "MLProbs: A Data-Centric Pipeline for better Multiple Sequence Alignment," in IEEE/ACM Transactions on Computational Biology and Bioinformatics, doi: 10.1109/TCBB.2022.3148382.