main docs

docs/helm/_category_.json

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+{
+  "label": "Helm",
+  "position": 5,
+  "link": {
+    "type": "generated-index",
+    "description": "Helm commands docs blog"
+  }
+}

docs/helm/rollback.md

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+---
+sidebar_position: 2
+---
+
+# Rollback
+
+История версий (список)
+```
+helm history podname -n default
+```
+
+Откат на выбранную ревизию 
+
+```
+helm rollback <release> <revision> -n <namespace>
+```
+
+```
+helm rollback podname -n default
+```