Adds scripts

scripts/shell/format-xml.sh

@@ -0,0 +1,15 @@
+#!/bin/env bash
+
+# Create a temporary file
+temp_file=$(mktemp)
+
+# Run xmllint and output to the temporary file
+if xmllint --format "$1" >"$temp_file"; then
+  # If successful, replace the original file with the formatted file
+  mv "$temp_file" "$1"
+else
+  # If unsuccessful, remove the temporary file
+  rm "$temp_file"
+  echo "Formatting failed."
+  exit 1
+fi

scripts/shell/ports-in-use.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+sudo lsof -i -P -n | grep LISTEN