feat: CI Test changes (facebookincubator#15660)

Summary:

Testing CI - Do not commit.

Differential Revision: D88081901

Author: Krishna Pai

README.md

@@ -1,4 +1,5 @@
 <img src="static/logo.svg" alt="Velox logo" width="50%" align="center" />
+<!-- Velox is an extensible C++ execution engine.-->
 
 Velox is a composable execution engine distributed as an open source C++
 library. It provides reusable, extensible, and high-performance data processing

scripts/setup-helper-functions.sh

@@ -16,6 +16,8 @@
 # github_checkout $REPO $VERSION $GIT_CLONE_PARAMS clones or re-uses an existing clone of the
 # specified repo, checking out the requested version.
 
+# Comment to trigger CI build.
+
 DEPENDENCY_DIR=${DEPENDENCY_DIR:-$(pwd)/deps-download}
 OS_CXXFLAGS=${OS_CXXFLAGS:-""}
 EXTRA_PKG_CXXFLAGS=${EXTRA_PKG_CXXFLAGS:-""}