rijkvanzanten 3354066983 Add union type example to docs ...

Closes #5161

Squashed commit of the following:

commit 8ef6770185cf4d3bcdcda0c41e98a6f3ef0c4e1f
Merge: 775ceaccc 2ca5fdb86
Author: rijkvanzanten <rijkvanzanten@me.com>
Date:   Fri Apr 23 10:42:54 2021 -0400

    Merge branch 'main' into patch-1

commit 775ceaccc4
Author: rijkvanzanten <rijkvanzanten@me.com>
Date:   Fri Apr 23 10:41:59 2021 -0400

    Cleanup union type docs

commit 1000988c32
Author: neo7-studio-web <18073828+neo7-studio-web@users.noreply.github.com>
Date:   Tue Apr 20 15:01:02 2021 +0200

    Add a M2M GraphQL query example

2021-04-23 10:47:17 -04:00

..

components

Add union type example to docs

2021-04-23 10:47:17 -04:00

app.md

Update documentation of app (#4222)

2021-02-24 17:48:19 -05:00