add babel settings file

packages/growi-plugin-pukiwiki-like-linker/.babelrc

@@ -0,0 +1,16 @@
+{
+  "presets": [
+    "es2015"
+  ],
+  "plugins": [
+    "add-module-exports",
+    "transform-class-properties"
+  ],
+  "env": {
+    "development": {
+      "presets": [
+        "power-assert"
+      ]
+    }
+  }
+}

packages/growi-plugin-pukiwiki-like-linker/package.json

@@ -36,7 +36,6 @@
     "babel-plugin-transform-class-properties": "^6.23.0",
     "babel-preset-es2015": "^6.22.0",
     "babel-preset-power-assert": "^1.0.0",
-    "babel-preset-react": "^6.23.0",
     "babel-register": "^6.23.0",
     "power-assert": "^1.4.2",
     "rimraf": "^2.6.1"