refactor(num/format): to follow subject-first naming pattern

Author: adaptive-shield-matrix

src/num/formatNumber.ts src/num/numFormat.tssrc/num/formatNumber.ts renamed to src/num/numFormat.ts

@@ -1,7 +1,7 @@
 let numberFormat: Intl.NumberFormat | undefined = undefined
 let numberFormatLocale: string | undefined = undefined
 
-export function formatNumber(num: number, locale?: string) {
+export function numFormat(num: number, locale?: string) {
   if (locale === numberFormatLocale && numberFormat) {
     return numberFormat.format(num)
   }