Added negsoft-operator

[Fank]

This pull request includes the initial setup of a Helm chart for the negsoft-operator. The changes include the creation of various Kubernetes resource templates and configuration files necessary for deploying and managing the application on a Kubernetes cluster.

Helm Chart Setup:

• Chart Metadata:

  • Added Chart.yaml to define the chart metadata, including apiVersion, name, description, type, version, and appVersion.

• Configuration and Values:

  • Added values.yaml to define default configuration values for the chart, including image repository details, service account settings, RBAC settings, and resource limits.
  • Added .helmignore to specify patterns to ignore when building packages.

Kubernetes Resource Templates:

• Core Resources:

  • Created deployment.yaml to define the deployment resource for the application, including container specifications, environment variables, and volume mounts.
  • Created serviceaccount.yaml to define the service account resource if specified in the values.
  • Created secret.yaml to define the secret resource for storing sensitive information like database credentials.
  • Created configmap.yaml to define the config map resource for configuration data.

• RBAC Resources:

  • Created clusterrole.yaml to define cluster roles for managing cronjobs and reading subscriptions.
  • Created clusterrolebinding.yaml to bind the service account to the cluster roles.

• Utility Templates:

  • Created _helpers.tpl to define helper templates for generating names and labels used across other resource templates.
  • Created NOTES.txt to provide post-installation instructions for accessing the application.
  • Created cronjob_template.yaml to define a template for creating cronjobs managed by the operator.