Auto-select "Soundtrack" secondary type based on release title

[Aerozol]

I think in cases where these strings are included in the release title, it's safe to auto-select the "Soundtrack" secondary type:

• "original soundtrack"
• "official soundtrack"
• "original game soundtrack"
• "official game soundtrack"
• "original video game soundtrack"
• "official video game soundtrack"
• "original film soundtrack"
• "official film soundtrack"
• "original motion picture soundtrack"
• "official motion picture soundtrack"
• "original movie soundtrack"
• "official movie soundtrack"
• "soundtrack from the"
• "soundtrack to the"
• "soundtrack zum"
• "original-soundtrack zum"
• "ost"
• "o.s.t"
• "video game soundtrack'
• "film soundtrack"
• "movie soundtrack"
• "series soundtrack"
• ?

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We could give users an extra nudge that this will be auto-set, e.g.:

If we add an extra nudge, and feel that it makes it pretty fool-proof, we could also make a leap and simplify the list to "OST", "soundtrack" etc