Add static content to /rent endpoint to avoid error

[rberrelleza]

solves #59

[github-actions[bot]]

Your preview environment pr-90-cindylopez has been deployed.

Preview environment endpoints are available at:

• https://movies-pr-90-cindylopez.demo.okteto.dev/rent
• https://movies-pr-90-cindylopez.demo.okteto.dev/rentals
• https://movies-pr-90-cindylopez.demo.okteto.dev/users
• https://movies-pr-90-cindylopez.demo.okteto.dev/catalog
• https://movies-pr-90-cindylopez.demo.okteto.dev
• https://movies-pr-90-cindylopez.demo.okteto.dev/admin