feat: Add modifier for getters and setters (#287)

Author: danez

src/__tests__/__snapshots__/main-test.js.snap

@@ -17,6 +17,7 @@ Object {
       "docblock": null,
       "modifiers": Array [
         "static",
+        "get",
       ],
       "name": "displayName",
       "params": Array [],
@@ -26,6 +27,7 @@ Object {
       "docblock": null,
       "modifiers": Array [
         "static",
+        "get",
       ],
       "name": "defaultProps",
       "params": Array [],

src/utils/getMethodDocumentation.js

@@ -87,6 +87,10 @@ function getMethodModifiers(methodPath) {
     modifiers.push('static');
   }
 
+  if (methodPath.node.kind === 'get' || methodPath.node.kind === 'set') {
+    modifiers.push(methodPath.node.kind);
+  }
+
   const functionExpression = methodPath.get('value').node;
   if (functionExpression.generator) {
     modifiers.push('generator');