add contribute to global nav (#5241)

* add contribute to global nav

* absolute path for contribute link in nav

* relative links in nav

replace docs and contribute with relative links in nav

Author: katieklein

src/constants/links.ts

@@ -1,7 +1,6 @@
 export const DISCORD = 'https://discord.gg/amplify';
 export const LEARN = 'https://amplify.aws/learn';
-// export const CONTRIBUTE = 'https://docs.amplify.aws/contribute/';
-// export const CONTRIBUTE = 'https://contributetoamplify.com/';
+export const CONTRIBUTE = 'https://docs.amplify.aws/contribute/';
 export const TWITTER = 'https://twitter.com/AWSAmplify';
 export const GITHUB = 'https://github.com/aws-amplify';
 export const TERMS = 'https://aws.amazon.com/terms/';

src/utils/globalnav.ts

@@ -17,7 +17,7 @@ export const LEFT_NAV_LINKS = [
   {
     type: 'DEFAULT',
     label: 'Docs',
-    url: 'https://docs.amplify.aws/',
+    url: '/',
     order: 1
   },
   {
@@ -32,12 +32,12 @@ export const LEFT_NAV_LINKS = [
     url: 'https://ui.docs.amplify.aws/',
     order: 3
   },
-  // {
-  //   type: 'DEFAULT',
-  //   label: 'Contribute',
-  //   url: '/contribute/',
-  //   order: 4
-  // }
+  {
+    type: 'DEFAULT',
+    label: 'Contribute',
+    url: '/contribute/',
+    order: 4
+  }
 ];
 
 export const SOCIAL_LINKS = [