optimize build tool chain.

plugin/manifest.json

@@ -1,18 +1,21 @@
 {
   "$schema": "https://raw.githubusercontent.com/kintone/js-sdk/%40kintone/plugin-manifest-validator%4010.2.0/packages/plugin-manifest-validator/manifest-schema.json",
   "manifest_version": 1,
-  "version": "1.0.1",
+  "version": "1.0.2",
   "type": "APP",
   "desktop": {
-    "js": ["js/desktop.js"]
+    "js": ["js/desktop.js"],
+    "css": ["js/desktop.css"]
   },
   "mobile": {
-    "js": ["js/desktop.js"]
+    "js": ["js/desktop.js"],
+    "css": ["js/desktop.css"]
   },
   "icon": "image/icon.png",
   "config": {
     "html": "html/config.html",
     "js": ["js/config.js"],
+    "css": ["js/config.css"],
     "required_params": ["template"]
   },
   "name": {