fix: for cf pages

Author: killerapp

examples/context-editor/public/_headers

@@ -1,7 +1,7 @@
-/*
-  X-Frame-Options: DENY
-  X-XSS-Protection: 1; mode=block
-  X-Content-Type-Options: nosniff
-  Referrer-Policy: strict-origin-when-cross-origin
-  Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; font-src 'self' data:;
+/*
+  X-Frame-Options: DENY
+  X-XSS-Protection: 1; mode=block
+  X-Content-Type-Options: nosniff
+  Referrer-Policy: strict-origin-when-cross-origin
+  Content-Security-Policy: default-src 'self' https: *.github.io; script-src 'self' 'unsafe-inline' 'unsafe-eval' https: *.github.io; style-src 'self' 'unsafe-inline' https: *.github.io; img-src 'self' data: https: *.github.io; connect-src 'self' https: *.github.io; font-src 'self' https: *.github.io; frame-src 'self' https: *.github.io;
   Permissions-Policy: camera=(), microphone=(), geolocation=()