Add pre-commit hook

pre-commit-hook.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+tee .git/hooks/pre-commit << EOF
+#!/bin/sh
+
+FILES="\$(git diff --name-only --cached | grep .*\.dart | grep -v .*\.g\.dart)"
+
+
+
+echo "\$FILES" | xargs dart format 
+echo "\$FILES" | xargs git add 
+EOF
+
+chmod +x .git/hooks/pre-commit

uni/README.md

@@ -16,6 +16,15 @@ The token is read from the file assets/env/env.json, which you may need to creat
 }
 ```
 
+### Automated formatting
+
+In order to contribute, you must format you files using `dart format` manually or formatting on save using your IDE automatically, or you can install the git pre-commit hook doing the following command at the root of the directory that automatically formats staged files:
+
+``` bash
+  chmod +x pre-commit-hook.sh && ./pre-commit-hook.sh
+```
+
+
 ## Project structure
 
 ### Overview