installation and execution scripts. Fixes alx-tools#8

Author: Emmo00

install.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# This script installs the w3c_validator python script by moving the
+# w3c_validator.py and w3c_validator to the /usr/bin folder
+# so that the w3c_validator script can be executed from anywhere.
+
+# Check if the script is executed with root privileges
+if [[ $EUID -ne 0 ]]; then
+    echo "Error: This script must be run with root privileges."
+    exit 1
+fi
+
+# Move w3c_validator.py and w3c_validator to /usr/bin
+mv "./w3c_validator.py" "/usr/bin"
+mv "./w3c_validator" "/usr/bin"
+
+echo "Installation complete. To use the w3c_validator, simply run the command:"
+echo "w3c_validator file [files]"

w3c_validator

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+# calls the w3c_validator.py and passes the arguments
+# to it
+
+if [ -e "./w3c_validator.py" ]; then
+    python3 "./w3c_validator.py" "$@"
+else
+    echo "Error: w3c_validator.py not found"
+fi