feat: add auto-revert to copy markdown button resolves #915 and also adding smoother animation to it#917

DipakHalkude wants to merge 2 commits intorahuldkjain:mainrahuldkjain/github-profile-readme-generator:mainfrom

DipakHalkude:feature/copy-button-auto-revertDipakHalkude/github-profile-readme-generator:feature/copy-button-auto-revertCopy head branch name to clipboard