Hub UI docs implemented

src/en/v2.1.0/guides/cluster-management/hub-ui/_index.md

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+---
+layout: 'guide'
+menu:
+  v2_1_0_docs_menu:
+    identifier: hub-ui
+    name: Hub UI
+    description: Know how to use Hub UI
+    icon: https://img.icons8.com/external-anggara-basic-outline-anggara-putra/96/external-stats-ui-anggara-basic-outline-anggara-putra.png
+    popular: true
+    weight: 50
+menu_name: v2_1_0_docs_menu
+section_menu: guides
+---

src/en/v2.1.0/guides/cluster-management/hub-ui/cluster-and-clusterset.md

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+---
+layout: 'guide'
+menu:
+  v2_1_0_docs_menu:
+    identifier: hub-ui-cluster
+    name: Cluster & Clusterset
+    parent: hub-ui
+    weight: 70
+  home_menu:
+    identifier: hub-ui-cluster
+    name: Cluster & Clusterset
+    parent: hub-ui
+    weight: 70
+menu_name: v2_1_0_docs_menu
+section_menu: guides
+---
+
+# Important Note
+
+⚠️ Spoke users **should NOT manage feature sets directly**
+
+* Feature updates must be handled from the **Hub**
+* Hub must stay in sync
+
+---
+
+# ClusterSets
+
+ClusterSets group multiple clusters together.
+
+## Create ClusterSet
+
+1. Go to **ClusterSets**
+2. Click **Add ClusterSet**
+
+![ClusterSet](../images/cluster_and_clusterset/clusterset.png)
+
+3. Provide a name
+
+
+
+---
+
+## Feature Sets
+
+* Select any feature you want to change in all of your connected spokes 
+
+![ClusterSet](../images/cluster_and_clusterset/clusterset_feature_1.png)
+
+![ClusterSet](../images/cluster_and_clusterset/clusterset_feature_2.png)
+
+
+* Apply configurations across all clusters
+* Centralized feature management
+
+## Unaligned and Out of sync cluster 
+
+### Unaligned cluster: If any spoke cluster has extra features enabled than hub that's unaligned 
+
+![Unaligned](../images/cluster_and_clusterset/unaligned.png)
+
+Like in the image secret management have 1 unaligned cluster 
+
+![Unaligned](../images/cluster_and_clusterset/unaligned_2.png)
+
+You can see config-syncer is enabled in spoke but not in hub
+
+### Similarly if any hub update does not get applied in spoke that becomes out of sync 
+
+---
+
+## Add Clusters
+
+You can add cluster from another clusterset if you want 
+
+
+![ClusterSet](../images/cluster_and_clusterset/add_cluster_1.png)
+
+1. Select cluster(s)
+
+![ClusterSet](../images/cluster_and_clusterset/add_cluster_2.png)
+
+2. Add to ClusterSet
+

src/en/v2.1.0/guides/cluster-management/hub-ui/create.md

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+---
+layout: 'guide'
+menu:
+  v2_1_0_docs_menu:
+    identifier: hub-ui-create
+    name: Create Hub Cluster
+    parent: hub-ui
+    weight: 40
+  home_menu:
+    identifier: hub-ui-create
+    name: Create Hub Cluster
+    parent: hub-ui
+    weight: 40
+menu_name: v2_1_0_docs_menu
+section_menu: guides
+---
+
+
+# Creating a Hub Cluster
+
+> ⚠️ Recommended: Use an organizational account for full functionality
+
+### Steps
+
+1. Go to import cluster and choose your preferred method
+![Hub & Spoke Model](../images/import/select-cluster.png)
+2. After filling up necessary steps for your preferred method Choose Generic as cluster profile 
+![Cluster Profile](../images/import/cluster-profile.png)
+3. Open **Cluster Details**  
+You won't see the hub UI button initially
+
+![Cluster Details](../images/import/cluster-details.png)
+
+4. Go to **Feature Set Settings**
+5. Select **OCM Hub Feature Set**
+
+All the features will be white leveled if you are enabling it for the first time.
+
+![Cluster Feature-set](../images/import/feature-set.png)
+
+In the top right corner there will be enable button. 
+1. Click in the enable button 
+2. Select all features ( will be auto-selected)
+3. Click Preview then Deploy 
+
+![Deploy](../images/import/deploy.png)
+
+
+
+✅ Wait a bit Your Hub Cluster is ready
+
+
+
+

src/en/v2.1.0/guides/cluster-management/hub-ui/introduction.md

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+---
+layout: 'guide'
+menu:
+  v2_1_0_docs_menu:
+    identifier: hub-ui-introduction
+    name: Introduction
+    parent: hub-ui
+    weight: 30
+  home_menu:
+    identifier: hub-ui-introduction
+    name: Introduction
+    parent: hub-ui
+    weight: 30
+menu_name: v2_1_0_docs_menu
+section_menu: guides
+---
+# Hub UI
+
+Hub UI is to manage multiple cluster from a single point. In this guide we will see how you can do that
+
+![Hub & Spoke Model](../images/introduction/hub-spoke-model.png)
+
+### What is OCM?
+
+**Open Cluster Management (OCM)** is a platform for managing multiple Kubernetes clusters from a single control point.
+
+Think of it like this:
+
+* You run multiple stores across different cities (**clusters**)
+* You manage them from a central office (**hub cluster**)
+
+OCM acts as that central office, allowing you to:
+
+* Monitor clusters
+* Apply configurations
+* Manage workloads
+* Enforce policies across environments
+
+---
+
+## Core Terminology
+
+### Hub Cluster
+
+The **central control plane** that:
+
+* Manages other clusters
+* Stores cluster states
+* Distributes applications and policies
+
+---
+
+### Spoke Cluster
+
+A **cluster connected to a hub**
+
+**Analogy:**
+
+* Hub = center of a wheel
+* Spokes = connected clusters
+
+Spoke clusters:
+
+* Run workloads
+* Receive policies/configurations from the hub
+
+---
+
+### Subscription
+
+Defines what applications/configurations should be deployed to clusters.
+
+---
+
+### Policy
+
+Rules enforced across clusters, such as:
+
+* Security settings
+* Network configurations
+* Compliance rules

src/en/v2.1.0/guides/cluster-management/hub-ui/license-management.md

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+---
+layout: 'guide'
+menu:
+  v2_1_0_docs_menu:
+    identifier: hub-ui-license
+    name: License Management
+    parent: hub-ui
+    weight: 60
+  home_menu:
+    identifier: hub-ui-license
+    name: License Management
+    parent: hub-ui
+    weight: 60
+menu_name: v2_1_0_docs_menu
+section_menu: guides
+---
+
+
+# License Management
+
+From **Cluster Settings → License**
+
+You can:
+
+* Add licenses
+
+![License](../images/license/add_license.png)
+
+![License](../images/license/license_modal.png)
+
+* Upon clicking on the link you will redirected to billing UI 
+
+![License](../images/license/contract.png)
+
+* After selecting a contract add your cluster there 
+
+![License](../images/license/contract_1.png)
+
+![License](../images/license/contract_1.png)
+
+* Copy and paste your license
+* Assign to namespaces
+* Track usage
+* Access billing (if permitted)
+

src/en/v2.1.0/guides/cluster-management/hub-ui/permission.md

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+---
+layout: 'guide'
+menu:
+  v2_1_0_docs_menu:
+    identifier: hub-ui-permission
+    name: User Permission
+    parent: hub-ui
+    weight: 60
+  home_menu:
+    identifier: hub-ui-permission
+    name: User Permission
+    parent: hub-ui
+    weight: 60
+menu_name: v2_1_0_docs_menu
+section_menu: guides
+---
+
+# User Access Management
+
+![permission](../images/permission/permission.png)
+
+Here you can assign a user one cluster or many cluster (clusterset) and grant access of different level
+
+## Scenario Example
+
+| User     | Cluster | Access Level |
+| -------- | ------- | ------------ |
+| user-1   | spoke-1 | View Only    |
+| user-2   | spoke-2 | Edit Access  |
+
+---
+
+## Method 1: Assign via Organization Team
+
+### Steps
+
+1. Go to **Platform UI**
+
+![go to platform](../images/permission/go_to_platform.png)
+
+2. Create a **Team**
+
+![create team](../images/permission/create_team.png)
+
+3. Add members
+
+![Add Member](../images/permission/add_member.png)
+
+4. Go to Hub → **Access**
+5. Click **Assign Permission**
+
+![Grant Permission](../images/permission/grant_permission.png)
+
+
+### Fields Explained
+
+* **User** → Organization member
+* **Level**
+
+  * Cluster
+  * ClusterSet
+* **Cluster/ClusterSet** → Target
+* **Role Type**
+
+  * ClusterRole
+  * Role (namespace-specific)
+* **Roles Available**
+
+  * `cluster-admin`
+  * `admin`
+  * `create`
+  * `view`
+* **Namespace** → Scope (if applicable)
+