Update readme

README.md

@@ -4,6 +4,58 @@
 
 Work in progress name, work in progress game
 
+Try the latest build here: [mcg-builds.zyg.ovh/latest](https://mcg-builds.zyg.ovh/latest/)
+
+## Development
+
+### Dependencies
+
+Fetch dependencies with `yarn`:
+
+```sh
+yarn --dev
+```
+
+### Run local server for development
+
+Run this command:
+
+```sh
+yarn serve
+```
+
+then visit [localhost:8080](http://localhost:8080) (URL might be different if something is already listening on port 8080)
+
+### Run tests
+
+Run unit tests with Jest:
+
+```sh
+yarn test:unit
+```
+
+Generate a coverage profile with:
+
+```sh
+yarn test:unit --coverage
+```
+
+### Lint code
+
+Before you submit a PR, make sure the code is formatted correctly with:
+
+```sh
+yarn lint
+```
+
+## Building for release
+
+### Build
+
+```sh
+yarn build
+```
+
 ## License
 
 Code is ISC, Assets "depends", some stuff is taken from FreeSound and DeviantArt so your best bet is to just praise the copyright gods.