chore(build): try to build demo and docs (#3434)

platform/docs/versioned_docs/version-2.0/development/getting-started.md

@@ -88,9 +88,6 @@ You should see the following output:
 ```bash
 # Build static assets to host a PWA
 yarn run build
-
-# Build packaged output (script-tag use)
-yarn run build:package
 ```
 
 ## Troubleshooting

platform/docs/versioned_docs/version-3.0/README.md

@@ -27,7 +27,7 @@ Key features:
 
 <div className="text--center">
     <div className="button-group">
-        <a className='button button--primary' href="https://v3-demo.ohif.org/">Try the demo</a>
+        <a className='button button--primary' href="https://viewer.ohif.org/">Try the demo</a>
         <a className='button button--primary' href="./release-notes">Release Notes</a>
     </div>
 </div>
@@ -91,7 +91,7 @@ MIT © [OHIF](https://github.com/OHIF)
 
 <!-- prettier-ignore-start -->
 [ohif-org]: https://www.ohif.org
-[ohif-demo]: http://v3-demo.ohif.org/
+[ohif-demo]: http://viewer.ohif.org/
 [dicom-web]: https://en.wikipedia.org/wiki/DICOMweb
 [gh-issues]: https://github.com/OHIF/Viewers/issues
 <!-- prettier-ignore-end -->

platform/docs/versioned_docs/version-3.0/configuration/dataSources/dicom-json.md

@@ -10,7 +10,7 @@ server as well as a list of study and series instance UIDs along with metadata.
 
 An example would look like
 
-`https://v3-demo.ohif.org/viewer/dicomjson?url=https://ohif-dicom-json-example.s3.amazonaws.com/LIDC-IDRI-0001.json`
+`https://viewer.ohif.org/viewer/dicomjson?url=https://ohif-dicom-json-example.s3.amazonaws.com/LIDC-IDRI-0001.json`
 
 As you can see the url to the location of the JSON file is passed in the query
 after the `dicomjson` string, which is