Bump fast-uri from 3.1.2 to 3.1.5 in /examples/mounts - #482

Changed pages include:

• index.html - view
• 404.html - view
• cli/index.html - view
• coc.html - view
• contrib/index.html - view
• data.html - view
• getting-started/index.html - view
• guides.html - view
• help.html - view
• install/index.html - view

There are more changes not included in the list