Fix typo (#36)

packages/app-shell/README.md

@@ -3,7 +3,7 @@
 A web component for building SPAs consisting of one topic with multiple
 activities. Handles login, language selection, activity switching, menus etc.
 
-You can install these component via npm:
+You can install this component via npm:
 
 ```bash
 npm i @dbp-toolkit/app-shell

packages/app-shell/package.json

 {
   "name": "@dbp-toolkit/app-shell",
   "homepage": "https://gitlab.tugraz.at/dbp/web-components/toolkit/-/tree/master/packages/app-shell",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "main": "src/index.js",
   "license": "LGPL-2.1-or-later",
   "devDependencies": {