docs(canton): sync the Canton section with canton-contracts and canton-specs - #252

Changed pages include:

• index.html - view
• contracts-sui.html - view
• contracts-stylus.html - view
• contracts-compact.html - view
• contracts-cairo.html - view
• confidential-contracts.html - view
• community-contracts.html - view
• chainlink-cre.html - view
• chainlink-ccip-ace.html - view
• canton.html - view

There are more changes not included in the list