OS-7603 Add community documentation to the Resource Lifecycle page. (…

…#823)

## Description

Resource Lifecycle is described

ngui/ui/public/docs/resource-lifecycle.md

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+### Overview
+
+Use this page to manage the resource lifecycle effectively, ensuring that the cloud 
+infrastructure remains efficient, cost-effective, and aligned with business objectives.
+Effective management of this lifecycle is crucial for maintaining performance, cost-efficiency, and scalability in cloud environments.
+
+### View
+
+- A Policies Type selector: Switch between the Pool Policies and Resource Constraints tables.
+
+- Effective Pool/Resource Limit control: Attention the Limit column. It gives a clear overview of the limits set to the pool/resource.
+
+- Email Notification: Once a pool/resource violates the constraints, organization manager and manager of a corresponding pool will be alerted via email.
+
+### Actions
+
+- Add a Pool Policy: Easily create a new policy by clicking the green "Add" button. Select the pool, and available policy type, and set the desired limit.
+
+- Manage Policies/Constraints: Click on a table row to deactivate/delete, or view detailed information about a policy/constraint.
+
+### Tips
+
+- Implement Cost Monitoring: Regularly monitor and analyze cloud resource usage and costs to identify and eliminate unnecessary expenses.
+
+- Regular Audits and Optimization: Conduct audits of cloud resources to identify underutilized or idle resources and optimize or decommission them, ensuring efficient utilization and cost-effectiveness.