Set cache-control header for assets uploaded to S3

[wisyhambolu]

• Sets a default cache-control header value of max-age=31536000 to every file uploaded to S3.

[mikelittle]

@wisyhambolu By the way, you can use curl -i https://terraform-app-stack.aws.humansmadeus.com/uploads/2022/11/stock-video.mp4 to see the headers in a slightly shorter and less messy format

[wisyhambolu]

Closing PR in favor of using CF response headers to set headers.