Fix screenshot display and AppImage icon configuration

Author: bluectx

README.md

@@ -41,7 +41,7 @@ See also:
     <img
       alt="AnonSecLab Privacy Tools application"
       src="img/screenshot.png?raw=true"
-      style="width: 100%; max-width: 1800px; height: auto; display: block; margin: 0 auto;"
+      style="max-width: 100%; height: auto; display: block; margin: 0 auto;"
     />
   </a>
 </p>

electron-builder.cjs

@@ -41,6 +41,8 @@ module.exports = {
     category: 'Utility',
     desktop: {
       Icon: 'anonseclab-privacy',
+      Name: 'AnonSecLab Privacy Tools',
+      Exec: 'anonseclab-privacy',
     },
   },
   appImage: {