chore: adds npm script to fix README instructions (fix #904) (#1190)

README.md

@@ -125,12 +125,13 @@ TOAST UI products are open source, so you can create a pull request(PR) after yo
 
 ### Setup
 
-Fork `master` branch into your personal repository. Clone it to local computer. Install node modules. Before starting development, you should check to haveany errors.
+Fork `master` branch into your personal repository. Clone it to local computer. Install node modules. Before starting development, you should check to see if there are any errors.
 
 ```sh
 $ git clone https://github.com/{your-personal-repo}/tui.editor.git
 $ cd [project-name]
 $ npm install
+$ npm run setup:libs
 $ cd [project-name]/apps/editor
 $ npm install
 $ npm run test

package.json

@@ -20,6 +20,12 @@
     "build:uml": "lerna run --scope @toast-ui/editor-plugin-uml build",
     "build:toastmark": "lerna run --scope @toast-ui/toastmark build",
     "build:squire": "lerna run --scope @toast-ui/squire build",
-    "build:to-mark": "lerna run --scope @toast-ui/to-mark build"
+    "build:to-mark": "lerna run --scope @toast-ui/to-mark build",
+    "install:toastmark": "cd libs/toastmark && npm install",
+    "install:squire": "cd libs/squire && npm install",
+    "install:to-mark": "cd libs/to-mark && npm install",
+    "install:libs": "npm run install:toastmark && npm run install:squire && npm run install:to-mark",
+    "build:libs": "npm run build:toastmark && npm run build:squire && npm run build:to-mark",
+    "setup:libs": "npm run install:libs && npm run build:libs"
   }
 }