Add genehancer tracks on hg19 and hg38

test_data/config_demo.json

@@ -209,6 +209,28 @@
         "type": "MyGeneV3Adapter"
       }
     },
+    {
+      "type": "FeatureTrack",
+      "trackId": "genehancer_ucsc_hg38",
+      "name": "UCSC GeneHancer",
+      "category": ["Annotation"],
+      "assemblyNames": ["hg38"],
+      "adapter": {
+        "type": "UCSCAdapter",
+        "track": "geneHancerInteractionsDoubleElite"
+      }
+    },
+    {
+      "type": "FeatureTrack",
+      "trackId": "genehancer_ucsc_hg19",
+      "name": "UCSC GeneHancer",
+      "category": ["Annotation"],
+      "assemblyNames": ["hg19"],
+      "adapter": {
+        "type": "UCSCAdapter",
+        "track": "geneHancerInteractionsDoubleElite"
+      }
+    },
     {
       "type": "GDCTrack",
       "trackId": "gdc_plugin_track",

website/docs/developer_guide.md

@@ -884,20 +884,28 @@ instead of manually cleaning up resources
 
 We have a couple plugin examples here
 
-- https://github.com/GMOD/jbrowse-plugin-gdc
-- https://github.com/cmdcolin/jbrowse-plugin-biothings-api
+- https://github.com/GMOD/jbrowse-plugin-gdc - demonstrates accessing GDC
+  cancer data GraphQL API, plus a custom drawer and track type for coloring
+  variants by impact score
+- https://github.com/cmdcolin/jbrowse-plugin-biothings-api - demonstrates
+  accessing data from mygene.info, part of the "biothings API" family
+- https://github.com/cmdcolin/jbrowse-plugin-ucsc-api - demonstrates accessing
+  data from UCSC
 
-We will go over in detail how to implement your own
+We will go over in detail some of these steps. Note that the best practices
+may be found by looking at the above plugins source code directly, and you can
+copy these plugins as a template for your own.
+
+### Intro to plugins
 
 JBrowse 2 plugins can be used to add new pluggable elements (views, tracks,
 data adapters, etc), and to modify behavior of the application by adding code
 that watches the application's state. For the full list of what kinds of
 pluggable element types plugins can add, see the [pluggable
 elements](developer_guide#pluggable-elements) page.
 
-We will go over creating an example plugin. The first thing that we have is a
-`src/index.js` which exports a default class containing the plugin registration
-code
+The first thing that we have is a `src/index.js` which exports a default class
+containing the plugin registration code
 
 src/index.js
 

website/docusaurus.config.json

@@ -28,7 +28,7 @@
         },
         {
           "to": "blog",
-          "label": "Releases",
+          "label": "Blog",
           "position": "left"
         },
         {