feat(infrastructure): add basic project deployment

deployment/app-demo-database-user.yaml

@@ -0,0 +1,19 @@
+apiVersion: k8s.mariadb.com/v1alpha1
+kind: User
+metadata:
+  name: app-demo-user
+spec:
+  # If you want the user to be created with a different name than the resource name
+  # name: user-custom
+  mariaDbRef:
+    name: mariadb
+  passwordSecretKeyRef:
+    name: app-demo-database-secret
+    key: password
+  maxUserConnections: 20
+  host: "%"
+  # Delete the resource in the database whenever the CR gets deleted.
+  # Alternatively, you can specify Skip in order to omit deletion.
+  cleanupPolicy: Skip
+  requeueInterval: 10h
+  retryInterval: 30s