Added Canva to the perks section (#277)

* Uploaded Canva icon

* Added Canva Pro to perks list

* Changing text colour to white

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* Update manifest.js

---------

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: glimmercharger

manifest.js

@@ -485,6 +485,18 @@ export default [
         url: '/zoom.mdx',
         forUseBy: 'clubbers'
       },
+      {
+        name: 'Canva Pro',
+        description: 'Free Canva Pro for Hack Club Leaders',
+        img: '/cards/canva.png',
+        external: true,
+        url: 'https://hack.club/canva',
+        forUseBy: 'leaders',
+        fancy: true,
+        background: 'linear-gradient(rgba(0,0,0,0.35), rgba(0,0,0,0.35)), linear-gradient(135deg, #00C4D5 0%, #5A32FA 50%, #7D2AEB 100%)',
+        titleColor: '#ffffff',
+        descriptionColor: '#ffffff'
+      },
       {
         name: 'CodeDay',
         description: 'Discount for in-person CodeDay events',