Add source-map analysis

packages/concordia-app/package.json

@@ -8,6 +8,7 @@
     "test": "react-scripts test",
     "eject": "react-scripts eject",
     "postinstall": "patch-package",
+    "analyze": "source-map-explorer 'build/static/js/*.js'",
     "rendezvous": "star-signal --port=9090 --host=127.0.0.1"
   },
   "eslintConfig": {
@@ -40,13 +41,14 @@
     "react-router-dom": "5.2.0",
     "react-scripts": "3.4.3",
     "redux-saga": "1.1.3",
-    "semantic-ui-css": "2.4.1",
+    "semantic-ui-css": "^2.4.1",
-    "semantic-ui-react": "1.2.1",
+    "semantic-ui-react": "^1.2.1",
     "web3": "1.2.11"
   },
   "devDependencies": {
     "libp2p-webrtc-star": "0.20.0",
     "patch-package": "6.2.2",
-    "postinstall-postinstall": "2.1.0"
+    "postinstall-postinstall": "2.1.0",
+    "source-map-explorer": "2.5.0"
   }
 }