IN_COMMON.md

@@ -4,6 +4,9 @@ Here we can collect some stuff regarding https://talk.incommon.cc
 * [API Documentation](https://doc.incommon.cc)
 * [in-common-models](https://talk.incommon.cc/t/in-common-models/650)
 
+# Entities
+![in_common](uploads/3bdb2702b66ad2ab53ab9ebb18c55413/in_common.png)
+
 ## API sample calls
 * [Resource](IN_COMMON API Resource)
 * [Categories](IN_COMMON API Categories)
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