Add CIMD overview image

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 data/corpus/**/train.jsonl filter=lfs diff=lfs merge=lfs -text
+assets/cimd-overview.png filter=lfs diff=lfs merge=lfs -text

README.md

@@ -65,6 +65,10 @@ configs:
 
 </div>
 
+<div align="center">
+  <img src="assets/cimd-overview.png" alt="CIMD overview infographic" width="900">
+</div>
+
 ## 中文说明
 
 ### 数据集概述