Add a diagram

Signed-off-by: Yogesh Deshpande <[email protected]>

cocli/README.md

@@ -21,7 +21,49 @@ $ cocli completion --help
 ```
 # CoRIM Handling
 A CoRIM consists of either one or more CoMID and/or CoSWID and/or CoTS. The below
-instructions provides a step by step approach to handle CoRIMs.
+picture and instructions provides a step by step approach to handle CoRIMs.
+
+``` mermaid
+flowchart TD
+    subgraph CORIM["<b>CoRIM</b>"]
+      subgraph CoMID["\n"]
+        CM1["CoMID-1"]
+        CM2["CoMID-2"]
+
+        CM3["CoMID-N"]
+        CM4["<b>COMID COMMANDS</b> \n cocli comid create \n cocli comid display"]
+        CM1  -.- CM2
+        CM2  -.- CM3
+        CM3  -.- CM4
+    end
+    subgraph CoMID["Blank1"]
+        CSW1["CoSWID-1"]
+        CSW2["CoSWID-2"]
+        CSW3["CoSWID-N"]
+
+        CSW1  -.- CSW2
+        CSW2  -.- CSW3
+   
+    end
+
+    subgraph CoMID["Blank3"]
+        CS1["CoTS-1"]
+        CS2["CoTS-2"]
+       
+        CS3["CoTS-N"]
+        CS4["<b>COTS COMMANDS</b> \n cocli cots create \n cocli cots display"]
+        CS1  -.- CS2
+
+        CS2  -.- CS3
+        CS3 -.- CS4
+    end
+end
+CORIM ---> CMD
+subgraph CMD["<b>CORIM COMMANDS<b/> \n
+ 1.cocli corim create \n 2.cocli corim display \n 3.cocli corim sign \n4.cocli corim verify\n5.cocli corim extract\n 6.cocli corim submit"]
+end
+
+```
 
 ## CoMIDs manipulation
 The instructions to manipulate CoMIDs are documented [here](COMID.md)