v5.0.57: regenerate all from TEST API (NOT PROD)

- 43 YAML, 94 Go, 332 docs from deck-api-test.ngcloud.ru
- STANDS.md, TESTING.md, API_TOKENS.md added
- Never mix PROD/TEST again

universal_rebuild/docs-gen/vc_vdc_group_vdc.md

@@ -0,0 +1,13 @@
+# Resource nubes_vc_vdc_group_vdc
+
+Service: `nubes_vc_vdc_group` (ID: 29)
+
+[Группа датацентров (основной)](vc_vdc_group.md) | [Operations](vc_vdc_group_ops.md) | [Vdc](vc_vdc_group_vdc.md) | [Example](vc_vdc_group_vdc_example.md)
+
+## Create params
+
+None.
+
+## Delete params
+
+None.