Add policy files for Vault: admin, app_role, and identity policies

policies/identity_admin_policy.hcl

@@ -0,0 +1,8 @@
+# Add identity admin role to the token
+path "identity/*" {
+  capabilities = ["create", "read", "update", "delete", "list", "sudo"]
+}
+
+path "identity/entity/*/name" {
+  capabilities = ["create", "read", "update", "delete", "list", "sudo"]
+}