Enhance the documentation for pairdrop-cli and add shell commands

pairdrop-cli/send-with-pairdrop

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# Initialize an array
+lines=()
+
+# Read each line into the array
+while IFS= read -r line; do
+    lines+=("$line")
+done <<< "$NAUTILUS_SCRIPT_SELECTED_FILE_PATHS"
+
+# Get the length of the array
+length=${#lines[@]}
+
+# Remove the last entry
+unset 'lines[length-1]'
+
+pairdrop "${lines[@]}"