Replace "Security & Hash Verification" with "Security" for professional tone (#208)

Author: Copilot

src/website/src/pages/index.js

@@ -82,7 +82,7 @@ const IndexPage = () => {
           </div>
           <div className="feature">
             <h3>
-              <Link to="/security">Security & Hash Verification</Link>
+              <Link to="/security">Security</Link>
             </h3>
             <p>
               Learn how our built-in security features protect you from malicious

src/website/src/pages/security.js

@@ -4,7 +4,7 @@ import Layout from "../components/Layout"
 
 const SecurityPage = () => {
   return (
-    <Layout pageTitle="Security & Hash Verification">
+    <Layout pageTitle="Security">
       <div className="hero" style={{ marginBottom: "2rem" }}>
         <h2>🛡️ Your Safety is Our Priority</h2>
         <p style={{ fontSize: "1.2rem" }}>
@@ -568,5 +568,5 @@ const SecurityPage = () => {
 export default SecurityPage
 
 export const Head = () => (
-  <title>Security & Hash Verification - AdGuard Tools and Utilities</title>
+  <title>Security - AdGuard Tools and Utilities</title>
 )