Add mermaid graph markdown setting pre tag class #115
Description
Hi,
If you try
#```
[mermaid] i cannot use the correct indication because in GitHub works
graph TD;
A-->B;
A-->C;
B-->D;
C-->D;
#```
Not set pre tag class name "mermaid" who needs to activate the mermaid diagaram
If i try to write
#```
graph TD;
A-->B;
A-->C;
B-->D;
C-->D;
#```
#{.mermaid}
Html generator set mermaid class into tag ad not in
tag
Can you help me?