Readme contribute and run code

README.md

@@ -14,4 +14,13 @@ Play this geographical wordle here: [www.bergle.no](https://www.bergle.no)
 * Lag en favicon
 * Fiks kartet: bedre zoom, bedre synlighet, kanskje annet framework, hvorfor er det så treigt? tilfeldige feilmeldinger i console
 * kanskje finne ut om jeg kan endre del-outputen med hensyn på om kart ble brukt
-* SEO
+* SEO
+
+## Run code locally
+* Install packages: `npm install` (may fail because of shit)
+* Run: `npm start`
+* Access via [http://localhost:3000/](http://localhost:3000/), this should open automatically
+
+## Contribute
+* If you feel very excited to contribute in the world's most important geography guessing game, feel free to **fork** your own version of Bergle
+* You can then make a PullRequest on the **dev** branch