Adding docs link (#584)

Author: huv1k

packages/graphql-playground-react/src/components/Playground/GraphQLEditor.tsx

@@ -414,7 +414,7 @@ class GraphQLEditor extends React.PureComponent<
   }
 
   handleClickReference = reference => {
-    //
+    this.docExplorerComponent.showDocFromType(reference.field)
   }
 
   /**

packages/graphql-playground-react/src/styles/graphiql_dark.css

@@ -1294,6 +1294,10 @@ span.CodeMirror-selectedtext {
   z-index: 100;
 }
 
+.CodeMirror-jump-token {
+  text-decoration: underline;
+}
+
 .CodeMirror-lint-mark-error,
 .CodeMirror-lint-mark-warning {
   background-position: left bottom;

packages/graphql-playground-react/src/styles/graphiql_light.css

@@ -1324,6 +1324,10 @@ p:first-child,
   z-index: 100;
 }
 
+.docs-graphiql .CodeMirror-jump-token {
+  text-decoration: underline;
+}
+
 .docs-graphiql .CodeMirror-lint-mark-error,
 .CodeMirror-lint-mark-warning {
   background-position: left bottom;