Async initialization for DateFormat

pkg/intl/data/dates/symbols/ln.json

+{"DATEFORMATS":["EEEE d MMMM y","d MMMM y","d MMM y","d/M/yyyy"],"NARROWWEEKDAYS":["e","y","m","m","m","m","p"],"STANDALONESHORTMONTHS":["yan","fbl","msi","apl","mai","yun","yul","agt","stb","ɔtb","nvb","dsb"],"ERANAMES":["Yambo ya Yézu Krís","Nsima ya Yézu Krís"],"FIRSTWEEKCUTOFFDAY":6,"NARROWMONTHS":["y","f","m","a","m","y","y","a","s","ɔ","n","d"],"STANDALONESHORTWEEKDAYS":["eye","ybo","mbl","mst","min","mtn","mps"],"FIRSTDAYOFWEEK":0,"STANDALONEWEEKDAYS":["eyenga","mokɔlɔ mwa yambo","mokɔlɔ mwa míbalé","mokɔlɔ mwa mísáto","mokɔlɔ ya mínéi","mokɔlɔ ya mítáno","mpɔ́sɔ"],"WEEKDAYS":["eyenga","mokɔlɔ mwa yambo","mokɔlɔ mwa míbalé","mokɔlɔ mwa mísáto","mokɔlɔ ya mínéi","mokɔlɔ ya mítáno","mpɔ́sɔ"],"QUARTERS":["sánzá mísáto ya yambo","sánzá mísáto ya míbalé","sánzá mísáto ya mísáto","sánzá mísáto ya mínei"],"ERAS":["libóso ya","nsima ya Y"],"MONTHS":["sánzá ya yambo","sánzá ya míbalé","sánzá ya mísáto","sánzá ya mínei","sánzá ya mítáno","sánzá ya motóbá","sánzá ya nsambo","sánzá ya mwambe","sánzá ya libwa","sánzá ya zómi","sánzá ya zómi na mɔ̌kɔ́","sánzá ya zómi na míbalé"],"TIMEFORMATS":["HH:mm:ss zzzz","HH:mm:ss z","HH:mm:ss","HH:mm"],"SHORTWEEKDAYS":["eye","ybo","mbl","mst","min","mtn","mps"],"SHORTQUARTERS":["SM1","SM2","SM3","SM4"],"WEEKENDRANGE":[5,6],"STANDALONENARROWWEEKDAYS":["e","y","m","m","m","m","p"],"AVAILABLEFORMATS":null,"NAME":"ln","AMPMS":["ntɔ́ngɔ́","mpókwa"],"STANDALONEMONTHS":["sánzá ya yambo","sánzá ya míbalé","sánzá ya mísáto","sánzá ya mínei","sánzá ya mítáno","sánzá ya motóbá","sánzá ya nsambo","sánzá ya mwambe","sánzá ya libwa","sánzá ya zómi","sánzá ya zómi na mɔ̌kɔ́","sánzá ya zómi na míbalé"],"SHORTMONTHS":["yan","fbl","msi","apl","mai","yun","yul","agt","stb","ɔtb","nvb","dsb"],"STANDALONENARROWMONTHS":["y","f","m","a","m","y","y","a","s","ɔ","n","d"]}