bump bootstrap to v5.3.3 (#74)

* bump bootstrap to v5.3.3

Signed-off-by: Grace Grimwood <[email protected]>

* remove existing bootstrap sources before attempting download and extract

Signed-off-by: Grace Grimwood <[email protected]>

---------

Signed-off-by: Grace Grimwood <[email protected]>

Author: gracegrimwood

bootstrap_setup.sh

@@ -1,6 +1,10 @@
 #!/bin/bash
 
-export BOOTSTRAP_VERSION="5.3.2"
+export BOOTSTRAP_VERSION="5.3.3"
+
+#Remove any existing Bootstrap sources
+rm -f "v$BOOTSTRAP_VERSION.zip"
+rm -rf ./_sass/bootstrap
 
 # download the full Bootstrap 5 sources (including JS)
 echo "Downloading Bootstrap v$BOOTSTRAP_VERSION sources from GitHub..."