sd -- a drop-in replacement for `cd'

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| || |_ | || |_   /  \       / /    ) || || |_ | |__   / /_  
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   | |     | |  / ____ \   / /    / /_    | |  | |    | (_) |
   |_|     |_| /_/    \_\ /_/    |____|   |_|  |_|     \___/