update: add installation scripts for Vagrant and Ansible, enhance k3s setup, and improve provisioning process

scripts/install_vagrant_k3s.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+VAGRANT_DIR="$SCRIPT_DIR/../vagrant/dev/ubuntu/"
+
+echo "Script directory: $SCRIPT_DIR"
+echo "Vagrant directory: $VAGRANT_DIR"
+cd "$VAGRANT_DIR" || {
+    echo "Failed to change directory to Vagrant directory: $VAGRANT_DIR"
+    exit 1
+}
+
+vagrant up vm1 vm2 vm3
+if [ $? -ne 0 ]; then
+    echo "Failed to start Vagrant VMs. Please check your Vagrant setup."
+    exit 1
+fi
+
+../../../scripts/configure_vagrant_k3s.sh && \
+    vagrant up workstation