Update index.html

index.html

@@ -49,34 +49,23 @@ journey
 </div>
 
 <div class="mermaid">
-sequenceDiagram
-    participant web as Web Browser
-    participant blog as Blog Service
-    participant account as Account Service
-    participant mail as Mail Service
-    participant db as Storage
-
-    Note over web,db: The user must be logged in to submit blog posts
-    web->>+account: Logs in using credentials
-    account->>db: Query stored accounts
-    db->>account: Respond with query result
-
-    alt Credentials not found
-        account->>web: Invalid credentials
-    else Credentials found
-        account->>-web: Successfully logged in
-
-        Note over web,db: When the user is authenticated, they can now submit new posts
-        web->>+blog: Submit new post
-        blog->>db: Store post data
-
-        par Notifications
-            blog--)mail: Send mail to blog subscribers
-            blog--)db: Store in-site notifications
-        and Response
-            blog-->>-web: Successfully posted
-        end
-    end
+mindmap
+  root((mindmap))
+    Origins
+      Long history
+      ::icon(fa fa-book)
+      Popularisation
+        British popular psychology author Tony Buzan
+    Research
+      On effectiveness<br/>and features
+      On Automatic creation
+        Uses
+            Creative techniques
+            Strategic planning
+            Argument mapping
+    Tools
+      Pen and paper
+      Mermaid
 </div>
 
 <div class="mermaid">