Merge pull request #329 from ludovico-chiavelli/replace-broken-link

Replace broken link

Author: olgahryniuk

content/index.mdx

@@ -60,7 +60,7 @@ import IdeaIco from '../src/components/images/idea-ico.svg'
  heading="Explore more"
  text="The high-level architecture of the Cardano platform stack is modular by design and includes various system components that interact together to fulfil different deployment use cases."
  label="Cardano architecture"
- ctalink="/explore-cardano/cardano-architecture/overview"
+ ctalink="/explore-cardano/cardano-architecture"
  icon={CircuitIco}
  />
  </GridItem>