Update 'README.md'

README.md

@@ -7,4 +7,13 @@ This aims to be a discord bot that can take a prompt from a discord message and
  - discord.py: Python discord module
 
 ## Notebooks
- - testing.ipynb: Testing notebook with examples
+ - testing.ipynb: Testing notebook with examples
+
+
+ ```mermaid
+  graph TD;
+      A-->B;
+      A-->C;
+      B-->D;
+      C-->D;
+```