Add rollup for plugin build

packages/cli/package.json

@@ -33,6 +33,8 @@
     "@types/react-dev-utils": "^9.0.4",
     "@types/recursive-readdir": "^2.2.0",
     "@types/tar": "^4.0.3",
+    "@types/rollup-plugin-peer-deps-external": "2.2.0",
+    "@types/rollup-plugin-postcss": "2.0.0",
     "@types/webpack": "^4.41.7",
     "@types/webpack-dev-server": "^3.10.0",
     "del": "^5.1.0",
@@ -46,6 +48,8 @@
   "dependencies": {
     "@lerna/package-graph": "^3.18.5",
     "@lerna/project": "^3.18.0",
+    "@rollup/plugin-commonjs": "^11.0.2",
+    "@rollup/plugin-node-resolve": "^7.1.1",
     "@spotify/web-scripts": "^6.0.0",
     "chokidar": "^3.3.1",
     "commander": "^4.1.1",
@@ -60,6 +64,11 @@
     "react-scripts": "^3.4.0",
     "recursive-readdir": "^2.2.2",
     "replace-in-file": "^5.0.2",
+    "rollup": "^2.1.0",
+    "rollup-plugin-image-files": "^1.4.2",
+    "rollup-plugin-peer-deps-external": "^2.2.2",
+    "rollup-plugin-postcss": "^2.5.0",
+    "rollup-plugin-typescript2": "^0.26.0",
     "ts-loader": "^6.2.1",
     "webpack": "^4.41.6",
     "webpack-dev-server": "^3.10.3"
@@ -72,7 +81,7 @@
   ],
   "nodemonConfig": {
     "watch": "./src",
-    "exec": "ts-node",
+    "exec": "ts-node ./src",
     "ext": "ts"
   }
 }