Update README.md

README.md

+This script allows to fetch a db dump from aws s3 and inject it to your actual environment (Based on your pwd)
 
+To install widely available run:
+sudo curl https://gitlab.eynes.com.ar/infra/restoredb/-/raw/master/restorerdb.sh -o /bin/restorerdb.sh && sudo chmod +x /bin/restorerdb.sh
+
+In your bashrc or zshrc set this parameters:
+export DB_DEST=devel
+export AWS_ACCESS_KEY_ID=xxx
+export AWS_SECRET_ACCESS_KEY=xxx
+
+To use it go to where you have a doodba environment and do this:
+BASE_URL=s3://e2-production/serivet/ ./restorerdb.sh