carvel submodel added

.gitmodules

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..4798126
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "caravel"]
+	path = caravel
+	url = https://github.com/efabless/caravel-lite.git

caravel

diff --git a/caravel b/caravel
new file mode 160000
index 0000000..13f2590
--- /dev/null
+++ b/caravel
@@ -0,0 +1 @@
+Subproject commit 13f2590e4b3a74b910dac56a6b757f5a66fd5212