Add blob: to style source for integrations (#3675)

Author: addisonschultz

packages/gitbook/src/lib/csp.ts

@@ -7,7 +7,7 @@ export function getContentSecurityPolicy(): string {
     const csp = `
         default-src 'self' *;
         script-src 'self' 'unsafe-inline' 'unsafe-eval' *;
-        style-src 'self' 'unsafe-inline' *;
+        style-src 'self' 'unsafe-inline' blob: *;
         img-src * 'self' blob: data:;
         connect-src *;
         font-src *;