Add links to GATK forums and joint calling workspace

website/docs/execution/joint.md

@@ -6,7 +6,7 @@ slug: joint
 ---
 
 ## Terra workspace
-Users should clone the Terra joint calling workspace (TODO)
+Users should clone the [Terra joint calling workspace](https://app.terra.bio/#workspaces/broad-firecloud-dsde-methods/GATK-Structural-Variants-Joint-Calling)
 which is configured with a demo sample set. 
 Refer to the following sections for instructions on how to run the pipeline on your data using this workspace.
 

website/docs/troubleshooting/faq.md

@@ -1,6 +1,7 @@
 ---
 title: FAQ
 slug: faq
+sidebar_position: 0
 ---
 
 Please consult the following resources for additional troubleshooting guides:

website/docs/troubleshooting/support.md

@@ -0,0 +1,10 @@
+---
+title: User support
+slug: support
+sidebar_position: 1
+---
+
+For guidance troubleshooting error messages, please review our [FAQ](./faq). 
+
+If you still cannot resolve your issue, reach out to our support team on the 
+[GATK forums](https://gatk.broadinstitute.org/hc/en-us/community/topics).

website/src/components/HomepageFeatures/index.js

@@ -18,7 +18,7 @@ const accessibleFeatures = [
     ),
     buttons: [
       {
-        buttonLink: 'https://app.terra.bio',
+        buttonLink: 'https://app.terra.bio/#workspaces/broad-firecloud-dsde-methods/GATK-Structural-Variants-Joint-Calling',
         buttonText: 'Joint Calling Workspace'
       },
       {