Add missing cd command to heroku install instructions

README.md

@@ -22,7 +22,7 @@ Simple and beautiful forum software - created using Express, Vue, and Sequelize.
 
 To install on Heroku:
 
- 1. `git clone https://github.com/sbkwgh/forum.git`
+ 1. `git clone https://github.com/sbkwgh/forum.git && cd forum`
  2. `heroku login`
  3. `heroku git:remote -a <app-name>`
  4. `heroku config:set NODE_ENV=production`
@@ -36,4 +36,4 @@ To install on Heroku:
  12. `git push heroku master`
  13. Visit the URL of the app and complete the on-screen instructions
 
-N.B. the database here is assumed to be MySQL - to use Postgres or another you must install the corresponding driver on npm
+N.B. the database here is assumed to be MySQL - to use Postgres or another you must install the corresponding driver on npm