Add lldb option to run.sh

skia/viewer/run.sh

diff --git a/skia/viewer/run.sh b/skia/viewer/run.sh
index 91b556b..4b4c292 100755
--- a/skia/viewer/run.sh
+++ b/skia/viewer/run.sh
@@ -13,6 +13,8 @@
     echo build.sh release - build release library
 elif [ "$OPTION" = "release" ]; then
     ./build/$system/bin/release/rive_viewer
+elif [ "$OPTION" = "lldb" ]; then
+    lldb build/$system/bin/debug/rive_viewer
 else
     ./build/$system/bin/debug/rive_viewer
 fi