Update header title and jumbotron with security platform info.
Add new benefits to index page reflecting use case value and adjust footer
logo to remove blur when scaled.
PiperOrigin-RevId: 461935696
This adapts the merged website repository to use the image and bazel
build framework. It explicitly avoids the container_image rules provided
by bazel, opting instead to build with direct docker commands when
necessary.
The relevant build commands are incorporated into the top-level
Makefile.
