docs: update todo

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todo.norg
··· 1 * Ideas 2 3 ** `find-port-ps` command (alias to `fpp`)
··· 1 + * General TODOs 2 + 3 + - ( ) move `flake.nix` to root directory 4 + 5 * Ideas 6 7 ** `find-port-ps` command (alias to `fpp`)