feat: plan modifiers handling

sample/postgres/postresql.tf

@@ -35,6 +35,33 @@ resource "stackitprivatepreview_postgresflexalpha_instance" "msh-sna-pe-example"
   version = 14
 }
 
+resource "stackitprivatepreview_postgresflexalpha_instance" "msh-sna-pe-example2" {
+  project_id      = var.project_id
+  name            = "mshpetest2-1"
+  backup_schedule = "0 0 * * *"
+  retention_days  = 45
+  flavor_id       = data.stackitprivatepreview_postgresflexalpha_flavor.pgsql_flavor.flavor_id
+  replicas        = 1
+  storage = {
+    # class = "premium-perf2-stackit"
+    performance_class = "premium-perf2-stackit"
+    size              = 10
+  }
+  encryption = {
+    #    key_id = stackit_kms_key.key.key_id
+    #    keyring_id = stackit_kms_keyring.keyring.keyring_id
+    kek_key_id      = var.key_id
+    kek_key_ring_id = var.keyring_id
+    kek_key_version = var.key_version
+    service_account = var.sa_email
+  }
+  network = {
+    acl          = ["0.0.0.0/0", "193.148.160.0/19", "170.85.2.177/32"]
+    access_scope = "SNA"
+  }
+  version = 14
+}
+
 resource "stackitprivatepreview_postgresflexalpha_user" "ptlsdbadminuser" {
   project_id  = var.project_id
   instance_id = stackitprivatepreview_postgresflexalpha_instance.msh-sna-pe-example.instance_id

sample/postgres/providers.tf

@@ -7,7 +7,7 @@ terraform {
     # }
     stackitprivatepreview = {
       source  = "tfregistry.sysops.stackit.rocks/mhenselin/stackitprivatepreview"
-      version = "0.0.0-SNAPSHOT-e91e10e"
+      version = "> 0.0"
     }
   }
 }