Added prevent typing letters if the type is number for Safari & Firefox#144

panaitov-pm wants to merge 1 commit into40818419:master40818419/react-code-input:masterfrom

panaitov-pm:Fix-typing-letters-if-the-type-is-number-for-Safari-&-Firefoxpanaitov-pm/react-code-input:Fix-typing-letters-if-the-type-is-number-for-Safari-&-FirefoxCopy head branch name to clipboard