fix(readme): define installation

Author: sleistner

README.yaml

@@ -33,7 +33,7 @@ github_repo: enter-at/eslint-config-typescript-prettier
 # Badges to display
 badges:
     - name: "Build Status"
-      image: "https://github.com/enter-at/eslint-config-typescript-prettier/workflows/Lint%20&%20Test/badge.svg"
+      image: "https://github.com/enter-at/eslint-config-typescript-prettier/workflows/Lint/badge.svg"
       url: "https://github.com/enter-at/eslint-config-typescript-prettier/actions"
     - name: "Release"
       image: "https://img.shields.io/npm/v/@enter-at/eslint-config-typescript-prettier.svg"
@@ -53,11 +53,11 @@ quickstart: |-
     $ npm install typescript eslint prettier @enter-at/eslint-config-typescript-prettier --save-dev
     ```
 
-    `.eslintrc.js`
+    Update your `.eslintrc.js` file to contain at least the following lines.
 
     ```js
     module.exports = {
-    extends: "@enter-at/typescript-prettier"
+        extends: "@enter-at/typescript-prettier"
     };
     ```