add graphJSON destination documentation (#2504)

* add graphJSON destination documentation

* Apply suggestions from code review

* Update src/connections/destinations/catalog/graphjson/index.md

* updates

Co-authored-by: Yimeng Yu <[email protected]>
Co-authored-by: markzegarelli <[email protected]>

Author: 3 people

Gemfile.lock

@@ -20913,7 +20913,7 @@ items:
   display_name: GraphJSON
   name: GraphJSON
   slug: graphjson
-  hidden: true
+  hidden: false
   regional:
   - us-west
   url: connections/destinations/catalog/graphjson

src/_data/catalog/destinations.yml

@@ -1,6 +1,67 @@
 ---
+rewrite: true
 title: 'GraphJSON Destination'
-hidden: true
-published: false
 beta: true
 ---
+[GraphJSON](https://www.graphjson.com/guides/segment){:target="_blank"} provides self-serve analytics to better help you understand your business.
+
+This destination is maintained by GraphJSON. For any issues with the destination, [contact the GraphJSON Support team](mailto:[email protected]).
+
+
+## Getting Started
+
+1. From the Destinations catalog page in the Segment App, click Add Destination.
+2. Search for “GraphJSON” in the Destinations Catalog, and select the “GraphJSON” destination.
+3. Choose which Source should send data to the “GraphJSON” destination.
+4. Go to the `https://graphjson.com/dashboard/integrations/segment`, find and copy the “API key”.
+5. Enter the “API Key” in the “GraphJSON” destination settings in Segment.
+6. Go to `https://graphjson.com/dashboard/integrations/segment` and finish the setup on the GraphJSON side.
+
+## Supported methods
+
+GraphJSON supports the following methods, as specified in the [Segment Spec](/docs/connections/spec).
+
+### Page
+
+Send [Page](/docs/connections/spec/page) calls to GraphJSON. For example:
+
+```js
+analytics.page()
+```
+
+Segment sends Page calls to GraphJSON as a `pageview`.
+
+
+### Screen
+
+Send [Screen](/docs/connections/spec/screen) calls to GraphJSON. For example:
+
+```obj-c
+[[SEGAnalytics sharedAnalytics] screen:@"Home"];
+```
+
+Segment sends Screen calls to GraphJSON as a `screenview`.
+
+
+### Identify
+
+Send [Identify](/docs/connections/spec/identify) calls to GraphJSON. For example:
+
+```js
+analytics.identify('userId123', {
+  email: '[email protected]'
+});
+```
+
+Segment sends Identify calls to GraphJSON as an `identify` event.
+
+
+### Track
+
+Send [Track](/docs/connections/spec/track) calls to GraphJSON. For example:
+
+```js
+analytics.track('Login Button Clicked')
+```
+
+Segment sends Track calls to GraphJSON as a `track` event.