adding missng tf files

apps/nextcloud/secret.tf

@@ -0,0 +1,21 @@
+
+resource "kubectl_manifest" "gitea_secret" {
+  ignore_fields = ["metadata.annotations"]
+  yaml_body  = <<-EOF
+    apiVersion: "secretgenerator.mittwald.de/v1alpha1"
+    kind: "StringSecret"
+    metadata:
+      name: "nextcloud"
+      namespace: "${var.namespace}"
+      labels: ${jsonencode(local.common-labels)}
+    spec:
+      forceRegenerate: false
+      data:
+        nextcloud-username: "${var.admin.name}"
+      fields:
+      - fieldName: "nextcloud-password"
+        length: "32"
+      - fieldName: "nextcloud-token"
+        length: "32"
+  EOF
+}