Windows execution and build fix

.eslintrc.js

@@ -1,16 +1,16 @@
 module.exports = {
-  parser: '@typescript-eslint/parser',
+  parser: "@typescript-eslint/parser",
   parserOptions: {
     ecmaVersion: 2020,
-    sourceType: 'module'
+    sourceType: "module",
   },
   extends: [
-    'plugin:@typescript-eslint/recommended',
-    'prettier/@typescript-eslint',
-    'plugin:prettier/recommended'
+    "plugin:@typescript-eslint/recommended",
+    "prettier/@typescript-eslint",
+    "plugin:prettier/recommended",
   ],
   rules: {
-    '@typescript-eslint/no-non-null-assertion': 'off',
-    '@typescript-eslint/no-explicit-any': 'off'
-  }
+    "@typescript-eslint/no-non-null-assertion": "off",
+    "@typescript-eslint/no-explicit-any": "off",
+  },
 };

README.md

@@ -8,7 +8,13 @@ Example ported from [slate-collaborative](https://github.com/cudr/slate-collabor
 
 # Usage
 
-Open 2 terminal and execute the following commands:
+## Setup
+
+Clone this repository and run `npm install` as usual.
+
+## Execution
+
+Open two terminals and execute the following commands:
 
 ### Terminal 1 (Server)
 
@@ -22,6 +28,15 @@ npm run start:server
 npm run start:cra
 ```
 
+## Build
+
+To build the application, run `npm run build`.
+
+### Known issues
+
+If you directly see some line break errors by prettier, make sure to handle your line ending correctly (on Windows).
+Set the configuration of git and your local editor (e.g. (VS Code)[https://medium.com/@csmunuku/windows-and-linux-eol-sequence-configure-vs-code-and-git-37be98ef71df#:~:text=VS%20Code%20%3D%3E%20Settings%20%3D%3E,new%20files%20that%20you%20create.]) correctly.
+
 # What about scaling, persistence etc. ?
 
 Take a look at the [y-websocket readme](https://github.com/yjs/y-websocket)

package.json

@@ -5,7 +5,7 @@
   "scripts": {
     "start:cra": "cross-env REACT_APP_BUILD_TARGET=src/website && react-scripts start",
     "start:server": "cross-env HOST=localhost PORT=1234 && npx y-websocket-server",
-    "prebuild": "cp -f ./tsconfig.production.json ./tsconfig.json",
+    "prebuild": "shx cp -f ./tsconfig.production.json ./tsconfig.json",
     "build": "cross-env NODE_ENV=production && react-scripts build",
     "dev": "concurrently \"yarn start:cra\" \"yarn serve\"",
     "serve": "nodemon --watch ../backend/lib --inspect server.js"
@@ -63,6 +63,7 @@
     "@types/ws": "7.2.7",
     "eslint-config-prettier": "^7.1.0",
     "eslint-plugin-prettier": "^3.3.1",
-    "prettier": "^2.2.1"
+    "prettier": "^2.2.1",
+    "shx": "^0.3.3"
   }
 }