Add Dawarich stack

apps/dawarich/secrets/dawarich_grafana_ro_password.txt.example

@@ -0,0 +1 @@
+replace-with-a-long-random-grafana-readonly-password

apps/dawarich/secrets/dawarich_metrics_password.txt.example

@@ -0,0 +1 @@
+replace-with-a-long-random-metrics-password

apps/dawarich/secrets/dawarich_postgres_password.txt.example

@@ -0,0 +1 @@
+replace-with-a-long-random-postgres-password

apps/dawarich/secrets/dawarich_redis_password.txt.example

@@ -0,0 +1 @@
+replace-with-a-long-random-url-safe-redis-password

apps/dawarich/secrets/dawarich_secret_key_base.txt.example

@@ -0,0 +1 @@
+replace-with-output-of-openssl-rand-hex-64