Support Content-Security-Policy response headers:

[kevinobee]

Content-Security-Policy response header not required to achieve A grade assessment on securityheaders.com.

https://securityheaders.com/?q=https%3A%2F%2Fsveltekit-security-headers.vercel.app&hide=on&followRedirects=on

Originally posted by @kevinobee in #28 (comment)

[kevinobee]

See svelte-kit-csp-handler
Configurable CSP headers for SvelteKit