Update c.ts adding certificates.dev (#966)

Author: alcfeoh

resources/c.ts

@@ -82,6 +82,13 @@ export const resources: Resource[] = [
             'Cert Decoder is a free online tool for decoding X.509 SSL/TLS certificates in PEM format directly in your browser.',
         categories: ['Security', 'Testing', 'Tooling'],
         url: 'https://certdecoder.com/',
+    },
+      {
+        name: 'Certificates.dev',
+        description: "Recognized certification exams for Vue (official certification endorsed by Evan You), React, Angular, Nuxt, and JS. We’ve helped developers from 680+ companies worldwide validate their frontend skills.",
+        keywords: ['frontend', 'Javascript', 'Vue', 'React', 'Angular', 'Certification', 'coding challenge'],
+        categories: ['Programming', 'Resume', 'Code Challenge'],  
+        url: 'https://certificates.dev/',
     },
     {
         name: 'Chaindesk',