add sponsor links

Author: maximthomas

_includes/contributors.html

@@ -1,6 +1,4 @@
 <div class="contributors">
     <h4>Contributors</h4>
-    <a href="https://github.com/OpenIdentityPlatform/{{page.reponame}}/graphs/contributors">
-        <img src="https://contributors-img.web.app/image?repo=OpenIdentityPlatform/{{page.reponame}}" />
-    </a>
+    <img src="https://contributors-img.web.app/image?repo=OpenIdentityPlatform/{{page.reponame}}" />
 </div>

openam.md

@@ -6,6 +6,8 @@ keywords: OpenAM, Access Management, Authentication, Authorization, SSO, Single
 reponame: OpenAM
 product: openam
 links: 
+    - title: Donate
+      url: https://opencollective.com/openam/contribute
     - title: Wikipedia
       url: https://en.wikipedia.org/wiki/OpenAM
 ---

opendj.md

@@ -6,6 +6,8 @@ keywords: OpenDJ, Directory Service, Directory Services, LDAP, Open Identity Pla
 reponame: OpenDJ
 product: opendj
 links: 
+    - title: Donate
+      url: https://opencollective.com/opendj/contribute
     - title: Wikipedia
       url: https://en.wikipedia.org/wiki/OpenDJ
 

openidm.md

@@ -6,6 +6,8 @@ keywords: Open IDM, Identity, Management, Identity Management
 reponame: OpenIDM
 product: openidm
 links: 
+    - title: Donate
+      url: https://opencollective.com/openidm/contribute
     - title: Wikipedia
       url: https://en.wikipedia.org/wiki/OpenIDM
 

openig.md

@@ -6,7 +6,9 @@ keywords: OpenIG, Indentity Gateway, reverse proxy, session management, credenti
 reponame: OpenIG
 product: openig
 video: ForgeRock+OpenIG 
-links: []
+links: 
+    - title: Donate
+      url: https://opencollective.com/openidm/contribute
 
 ---
 <div class="container text-center mb-4">