--- a
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "R2GenCMN"]
+	path = SOTA_models/R2GenCMN
+	url = https://github.com/zhjohnchan/R2GenCMN
+[submodule "R2Gen"]
+	path = SOTA_models/R2Gen
+	url = https://github.com/zhjohnchan/R2Gen
+[submodule "VisualGPT"]
+	path = SOTA_models/VisualGPT
+	url = https://github.com/Vision-CAIR/VisualGPT