update to Webpack 5

Change-Id: Icc238a9f981ecaf5c5802c9a3a4f0bcb89e7d42b
diff --git a/client/package.json b/client/package.json
new file mode 100644
index 0000000..2cc5732
--- /dev/null
+++ b/client/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "jami-web-client",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@material-ui/core": "^4.10.2",
+    "@material-ui/icons": "^4.9.1",
+    "@material-ui/lab": "^4.0.0-alpha.56",
+    "@testing-library/jest-dom": "^4.2.4",
+    "@testing-library/react": "^9.5.0",
+    "@testing-library/user-event": "^7.2.1",
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1",
+    "react-emoji-render": "^1.2.4",
+    "react-router-dom": "^5.2.0",
+    "react-sound": "^1.2.0",
+    "socket.io-client": "^2.3.0"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.13.14",
+    "@babel/preset-env": "^7.13.12",
+    "@babel/preset-react": "^7.13.13",
+    "babel-loader": "^8.2.2",
+    "css-loader": "^5.2.0",
+    "html-webpack-plugin": "^5.3.1",
+    "style-loader": "^2.0.0",
+    "webpack": "^5.31.0",
+    "webpack-cli": "^4.6.0"
+  },
+  "scripts": {
+    "build": "npx webpack"
+  },
+  "eslintConfig": {
+    "extends": "react-app"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}