cmte/music-brainz-go: Go implementation of the API to access music-brainz @ 6d1f266d5f8de6f6086ba3a39cf87da27c7b863b

Douglas R Andreani 6d1f266d5f go-music: refactor code and add testing scenarios		5 lat temu
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go.mod	6d1f266d5f go-music: refactor code and add testing scenarios	5 lat temu
mb.go	6d1f266d5f go-music: refactor code and add testing scenarios	5 lat temu
mb_test.go	6d1f266d5f go-music: refactor code and add testing scenarios	5 lat temu