Update readme to include self host explanation

RuurdBijlsma · RuurdBijlsma · commit dbc27f349872 · 2019-09-19T23:24:16.000+02:00
diff --git a/README.md b/README.md
@@ -14,3 +14,12 @@ This is a game where you are put anywhere on earth, and you have to figure out w
 ### See how you did
 
 ![Overview of score](screenshots/score.png)
+
+### How to self host this (in case my api quota runs out)
+1. Fork this repository to your account
+2. Clone the repository
+3. Replace the api key found at the bottom in /index.html and /play/index.html with your own
+    * This api key can be created freely at https://console.developers.google.com/google/maps-apis/apis/maps-backend.googleapis.com
+    * Your key will be at the credentials tab on the left
+4. Push to your Github page
+5. Set up Github pages for the repository (tutorial: https://pages.github.com)
