ci: verify code is well formatted (#393)

Signed-off-by: MarcoIeni <11428655+MarcoIeni@users.noreply.github.com>

Author: marcoieni

etc/ci/script.sh

@@ -2,6 +2,9 @@
 
 set -ex
 
+# verify code is well formatted
+cargo fmt --all -- --check
+
 # Incorporate TARGET env var to the build and test process
 cargo build --target "$TARGET" --verbose