chore: add sample to main

sample/alpha-from-registry/key.tf

@@ -0,0 +1,38 @@
+resource "stackit_kms_keyring" "mshalpha-keyring" {
+  project_id   = var.project_id
+  display_name = "msh-alpha-tests"
+  description  = "This is a test keyring for private endpoints"
+}
+
+resource "stackit_kms_key" "mshalpha-key01" {
+  project_id   = var.project_id
+  keyring_id   = stackit_kms_keyring.mshalpha-keyring.keyring_id
+  display_name = "mshalpha-key01"
+  protection   = "software"
+  algorithm    = "aes_256_gcm"
+  purpose      = "symmetric_encrypt_decrypt"
+  access_scope = "SNA"
+}
+
+output "keyid" {
+  value = stackit_kms_key.mshalpha-key01.key_id
+}
+
+# (because stackit_kms_key.key001 is not in configuration)
+resource "stackit_kms_key" "key001" {
+  access_scope = "SNA"
+  algorithm    = "aes_256_gcm"
+  display_name = "msh-key-sna01"
+  keyring_id   = stackit_kms_keyring.keyring001.keyring_id
+  project_id   = var.project_id
+  protection   = "software"
+  purpose      = "symmetric_encrypt_decrypt"
+}
+
+# stackit_kms_keyring.keyring001 will be destroyed
+# (because stackit_kms_keyring.keyring001 is not in configuration)
+resource "stackit_kms_keyring" "keyring001" {
+  description  = "This is a test keyring for private endpoints"
+  display_name = "msh-keyring-sna01"
+  project_id   = var.project_id
+}