feat: support multiple stereotypes in class diagrams

demos/classchart.html

@@ -38,7 +38,7 @@
         +quack()
       }
       class Fish{
-        -Listint sizeInFeet
+        -int sizeInFeet
         -canEat()
       }
       class Zebra{
@@ -143,21 +143,7 @@
     Pineapple : -int leafCount()
     Pineapple : -int spikeCount()
     </pre>
-    <hr />
 
-    <pre class="mermaid">
-    classDiagram
-      class Person {
-        +ID : Guid
-        +FirstName : string
-        +LastName : string
-        -privateProperty : string
-        #ProtectedProperty : string
-        ~InternalProperty : string
-        ~AnotherInternalProperty : List~List~string~~
-      }
-      class People List~List~Person~~
-    </pre>
     <hr />
     <pre class="mermaid">
     classDiagram