v 0.9.1 - hardened the Content Security Policy

from none to default-src 'self'; script-src 'self'; form-action 'self';

index.html

@@ -7,7 +7,7 @@
     <link rel="icon" href="./favicon.png">
     <meta name="viewport" content="width=device-width">
     <meta name="theme-color" content="#000000">
-    <meta http-equiv="content-security-policy" content="">
+    <meta http-equiv="content-security-policy" content="default-src 'self'; script-src 'self'; form-action 'self';">
     <link href="./w3pevent.css" rel="stylesheet">
     <title>Web3Privacy Summit 2 | 30 May 2024</title>
     <meta name="description" content="30 May, 2024 - Summit focused on privacy in the Web3 industry as a complement to the Web3Privacy Now research.">