Added .env.sample back

.env.sample

@@ -0,0 +1,18 @@
+APP_VERSION=3.2-0.12.1
+COMPOSE_PROJECT_NAME=cantus
+
+#When DEVELOPMENT is False, Django's DEBUG setting
+#is False and app is served by gunicorn
+DEVELOPMENT=False
+#DJANGO_SECRET_KEY=**PROVIDE SECRET KEY HERE**
+
+#Postgres authentication variables
+POSTGRES_DB=cantus_db
+POSTGRES_USER=cantus_admin
+#POSTGRES_PASSWORD=**PROVIDE PASSWORD HERE**
+
+#RabbitMQ authentication variables
+RABBIT_VHOST=cantus_ultimus
+RABBIT_USER=cantus_admin
+#RABBIT_PASSWORD=**PROVIDE PASSWORD HERE**
+