Add get certified page (#151)

* add certified base

* Update certification.astro

* Update certification.astro

* Update certification.astro

* Update certification.astro

* update colour token

* Update ProductNavigation.tsx

Author: tyrelchambers

public/images/certification/Imagedevhubresources.png

@@ -73,7 +73,7 @@ export const ProductNavigation = ({ setNavMenuOpen, showMegaMenu, isMegamenuOpen
             </NavigationMenu.Link>
           </Item>
           <Item>
-            <NavigationMenu.Link className={styles.navLink} href="https://dev.chain.link/certification">
+            <NavigationMenu.Link className={styles.navLink} href="/certification">
               Get Certified
             </NavigationMenu.Link>
           </Item>

public/images/certification/Imagedevhubvideo.png

@@ -86,7 +86,7 @@ export function ProductNavigation() {
                     <a href="https://dev.chain.link/changelog" className={styles.productContentLink}>
                       Changelog
                     </a>
-                    <a href="https://dev.chain.link/certification" className={styles.productContentLink}>
+                    <a href="/certification" className={styles.productContentLink}>
                       Get Certified
                     </a>
                   </ul>