minor: Typo in the Optimistic ZKevm flow diagram in docs

[0xanmol]

Describe the issue
Typo in the Optimistic ZKevm flow diagram. 'Contract' is spelled as "Cantract"

To Reproduce
Steps to reproduce the behavior:
https://github.com/morph-l2/morph-doc/blob/main/assets/docs/about/overview/opzk.png

Screenshots

[panditdhamdhere]

great ser @0xanmol
I am confused why they are not taking action even not reviewing PRs.