Add .gvimrc
[vimrc] fix colorscheme in branch by os
[bashrc]rbenvにpathを通した
[gitconfig]authorを`Eisuke Kinoshita`から`eisuke.kinoshita`に変更
Revert "[gitconfig]authorを`Eisuke Kinoshita`から`eisuke.kinoshita`に変更"

This reverts commit 8259fff8f4ac6773d1b6f6b7cf6ef6bcc808408d.