Show prominent cd command after wizard completes

- Print green "Enter your project now: cd <path>" at the top of next steps
- Add "(must be inside the project folder)" note to CLI option

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

wizard.sh

@@ -117,13 +117,16 @@ print_next_steps() {
     header "Done!"
     success "Project created at: $PROJECT_DIR"
     echo ""
+    echo -e "${BOLD}${GREEN}  ➜  Enter your project now:${RESET}"
+    echo -e "${BOLD}${CYAN}     cd \"$PROJECT_DIR\"${RESET}"
+    echo ""
     echo -e "${BOLD}Next steps:${RESET}"
     echo ""
     echo -e "  ${CYAN}Option A — VS Code devcontainer:${RESET}"
     echo -e "    code \"$PROJECT_DIR\""
     echo -e "    → \"Reopen in Container\""
     echo ""
-    echo -e "  ${CYAN}Option B — CLI:${RESET}"
+    echo -e "  ${CYAN}Option B — CLI (must be inside the project folder):${RESET}"
     echo -e "    cd \"$PROJECT_DIR\""
     echo -e "    $CONTAINER_CMD build -t $slug .devcontainer/"
     echo -e "    $CONTAINER_CMD run -it --rm \\"