dev dependencies

Author: aminya

package.json

@@ -24,6 +24,20 @@
     "fs-plus": "2.x",
     "atom-space-pen-views": "^2.0.3"
   },
+  "devDependencies": {
+    "@types/atom": "^1.40.4",
+    "rollup": "^2.11.2",
+    "@rollup/plugin-node-resolve": "^8.0.0",
+    "@rollup/plugin-commonjs": "^12.0.0",
+    "rollup-plugin-terser": "^6.1.0",
+    "rollup-plugin-coffee-script": "^2.0.0",
+    "coffeescript": "^2.5.1",
+    "shx": "^0.3.2",
+    "@babel/core": "^7.10.1",
+    "@babel/cli": "^7.10.1",
+    "@babel/plugin-transform-modules-commonjs": "^7.10.1",
+    "@babel/preset-env": "^7.10.1"
+  },
   "deserializers": {
     "HTMLPreviewDeserializer": "deserialize"
   },