chore: update package build script

Makefile

@@ -14,10 +14,9 @@ build:
 	./node_modules/.bin/fedx-scripts babel src --out-dir dist --source-maps --ignore **/*.test.jsx,**/*.test.js,**/setupTest.js --copy-files
 	@# --copy-files will bring in everything else that wasn't processed by babel. Remove what we don't want.
 	@find dist -name '*.test.js*' -delete
-	rm ./dist/setupTest.js
 	cp ./package.json ./dist/package.json
 	cp ./LICENSE ./dist/LICENSE
-	cp ./README.md ./dist/README.md
+	cp ./README.rst ./dist/README.rst
 
 precommit:
 	npm run lint

package.json

@@ -1,7 +1,8 @@
 {
   "name": "@openedx/frontend-plugin-framework",
   "version": "1.0.0-semantically-released",
-  "description": "Frontend Plugin Framework ",
+  "description": "Frontend Plugin Framework",
+  "main": "dist/index.js",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/openedx/frontend-plugin-framework.git"
@@ -10,7 +11,7 @@
     "extends @edx/browserslist-config"
   ],
   "scripts": {
-    "build": "fedx-scripts webpack",
+    "build": "make build",
     "i18n_extract": "fedx-scripts formatjs extract",
     "lint": "fedx-scripts eslint --ext .js --ext .jsx .",
     "lint:fix": "fedx-scripts eslint --fix --ext .js --ext .jsx .",