bootstrap.sh: redirect stdin from /dev/tty when launching setup.sh

curl | bash consumes stdin from the pipe, so when bootstrap hands off
to setup.sh the script gets EOF immediately and exits with 'Cancelled'.
Redirecting </dev/tty restores keyboard input for the interactive menu.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LQJBvqzXeyuhhAcAA3Q5Wq

bootstrap.sh

@@ -60,7 +60,7 @@ if [ -f "${SCRIPT_DIR}/setup.sh" ]; then
             && chown -R "${SUDO_USER:-$(id -un)}:" "$DEST" 2>/dev/null || true
         echo ""
     fi
-    exec bash "${SCRIPT_DIR}/setup.sh"
+    exec bash "${SCRIPT_DIR}/setup.sh" </dev/tty
 fi
 
 # ── Options 1 & 2: clone from GitHub ─────────────────────────────────────────
@@ -91,4 +91,4 @@ echo ""
 echo "  Launching setup..."
 echo ""
 
-exec bash "$DEST/setup.sh"
+exec bash "$DEST/setup.sh" </dev/tty