Merge pull request #672 from ayuki-joto/feat/add-env-sample

feat: add .env.sample

.env.sample

@@ -0,0 +1,20 @@
+DECIDIM_DEV_ENGINE=false
+DECIDIM_COMMENTS_LIMIT=1
+MAPS_API_KEY=
+MAPS_PROVIDER=osm
+MAPS_STATIC_PROVIDER=osm
+MAPS_STATIC_URL=https://www.openstreetmap.org/
+MAPS_DYNAMIC_URL=https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png
+MAPS_ATTRIBUTION=<a href="https://www.openstreetmap.org/copyright" target="_blank">&copy; OpenStreetMap</a> contributors
+MAPS_DYNAMIC_API_KEY=true
+MAPS_GEOCODING_HOST=nominatim.openstreetmap.org
+DECIDIM_ADMIN_PASSWORD_STRONG=false
+DECIDIM_ADMIN_PASSWORD_EXPIRATION_DAYS=100000000
+DECIDIM_ADMIN_PASSWORD_REPETITION_TIMES=1000
+DECIDIM_ADMIN_PASSWORD_MIN_LENGTH=8
+VAPID_PUBLIC_KEY=
+VAPID_PRIVATE_KEY=
+SMTP_USERNAME=
+SMTP_PASSWORD=
+SMTP_ADDRESS=
+SMTP_DOMAIN=