feat(helm): add extraManifests field (#798)

* Create extramanifests.yaml

implement ability to add generic manifests to release

* Update values.yaml

* Make new comment in style of existing ones

* Bump version, generate docs

* Bump version correctly

* Bump minor chart version

---------

Co-authored-by: SOZINOV Dmitry S <[email protected]>

Author: SozinovD

helm/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: sql-exporter
 description: Database-agnostic SQL exporter for Prometheus
 type: application
-version: 0.12.5
+version: 0.13.0
 appVersion: 0.18.1
 keywords:
   - exporter

helm/README.md

@@ -72,6 +72,7 @@ as an example.
 | ingress.tls.key | string | `""` | Ingress tls.key, required if you don't have secret name. |
 | extraContainers | object | `{}` | Arbitrary sidecar containers list |
 | initContainers | object | `{}` | Arbitrary sidecar containers list for 1.29+ kubernetes |
+| extraManifests | list | `[]` | Arbitrary manifests list |
 | serviceAccount.create | bool | `true` | Specifies whether a Service Account should be created, creates "sql-exporter" service account if true, unless overriden. Otherwise, set to `default` if false, and custom service account name is not provided. Check all the available parameters. |
 | serviceAccount.annotations | object | `{}` | Annotations to add to the Service Account |
 | livenessProbe.initialDelaySeconds | int | `5` |  |

helm/templates/extramanifests.yaml

@@ -0,0 +1,4 @@
+{{ range .Values.extraManifests }}
+---
+{{ tpl (toYaml .) $ }}
+{{ end }}

helm/values.yaml

@@ -59,6 +59,9 @@ extraContainers: {}
 # -- Arbitrary sidecar containers list for 1.29+ kubernetes
 initContainers: {}
 
+# -- Arbitrary manifests list
+extraManifests: []
+
 serviceAccount:
   # -- Specifies whether a Service Account should be created, creates "sql-exporter" service account if true, unless
   # overriden. Otherwise, set to `default` if false, and custom service account name is not provided. Check all the