added aliases noerr and toollist

aliases

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+ppxml=xmlstarlet format --indent-tab
+ppxml=xmllin --format -

noerr

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+#!/bin/bash
+
+bash -c "$*" 2>/dev/null

toollist

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+#unoconv : Convert office documents back and force
+https://linuxconfig.org/how-to-convert-documents-between-libreoffice-and-microsoft-office-file-formats-on-linux
+
+