Add experimental `init?(map: Map)` implementation to `Immutable`
Add experimental `init?(map: Map)` implementation to `Immutable`

hsavit1/ObjectMapper,ken0nek/ObjectMapper,baydet/ObjectMapper,perrychen901105/ObjectMapper,darekxan/ObjectMapper,goodwall/ObjectMapper,gunosy/ObjectMapper,ldiqual/ObjectMapper,Busta117/ObjectMapper,msfeldstein/ObjectMapper,fullstackclub/ObjectMapper,BlackcombSoftware/ObjectMapper,nbarnold01/ObjectMapper,stephanecopin/ObjectMapper,Torsph/ObjectMapper,darekxan/ObjectMapper,tuanphung/ObjectMapper,cfraz89/ObjectMapper,teamcarma/IOS-ObjectMapperDeep,skywinder/ObjectMapper,preetipantnagar1989/ObjectMapper,tomco/ObjectMapper,ldiqual/ObjectMapper,zhaoguohui/ObjectMapper,adachic/ObjectMapper,baydet/ObjectMapper,teamcarma/IOS-ObjectMapperDeep,RyanCodes/ObjectMapper,adachic/ObjectMapper,stephanecopin/ObjectMapper,gunosy/ObjectMapper,skywinder/ObjectMapper,cfraz89/ObjectMapper,ikesyo/ObjectMapper,kota/ObjectMapper,ken0nek/ObjectMapper,msdgwzhy6/ObjectMapper,tanikawa-y/ObjectMapper,perrychen901105/ObjectMapper,msdgwzhy6/ObjectMapper,ikesyo/ObjectMapper,skywinder/ObjectMapper,RyanCodes/ObjectMapper,gunosy/ObjectMapper,tonyli508/ObjectMapperDeep,yoshinorisano/ObjectMapper,darekxan/ObjectMapper,CINEPASS/ObjectMapper,rodrigo-lima/ObjectMapper,preetipantnagar1989/ObjectMapper,csjlengxiang/ObjectMapper,Torsph/ObjectMapper,preetipantnagar1989/ObjectMapper,kota/ObjectMapper,yoshinorisano/ObjectMapper,nbarnold01/ObjectMapper,Hearst-DD/ObjectMapper,kota/ObjectMapper,csjlengxiang/ObjectMapper,msdgwzhy6/ObjectMapper,rodrigo-lima/ObjectMapper,Hearst-DD/ObjectMapper,ldiqual/ObjectMapper,fullstackclub/ObjectMapper,tuanphung/ObjectMapper,fullstackclub/ObjectMapper,RyanCodes/ObjectMapper,msfeldstein/ObjectMapper,hsavit1/ObjectMapper,stephanecopin/ObjectMapper,tomco/ObjectMapper,teamcarma/IOS-ObjectMapperDeep,Torsph/ObjectMapper,adachic/ObjectMapper,tonyli508/ObjectMapperDeep,perrychen901105/ObjectMapper,Busta117/ObjectMapper,zhaoguohui/ObjectMapper,bscarano/ObjectMapper,nbarnold01/ObjectMapper,rodrigo-lima/ObjectMapper,tanikawa-y/ObjectMapper,bscarano/ObjectMapper,goodwall/ObjectMapper,CINEPASS/ObjectMapper,tuanphung/ObjectMapper,tomco/ObjectMapper,msfeldstein/ObjectMapper,BlackcombSoftware/ObjectMapper