doc: CraneCopy plugin doc (#5658)

* doc for

* edits in task name

* spelling correction

* Updated password

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Co-authored-by: ashokdevtron <[email protected]>

Author: bhushan-nemade-dt

docs/SUMMARY.md

@@ -137,6 +137,7 @@
     * [Copacetic](user-guide/plugins/copacetic.md)
     * [Copy Container Image](user-guide/plugins/copy-container-image.md)
     * [Cosign](user-guide/plugins/cosign.md)
+    * [CraneCopy](user-guide/plugins/crane-copy.md)
     * [Dependency track - Maven & Gradle](user-guide/plugins/dependency-track-maven-gradle.md)
     * [Dependency track - NodeJS](user-guide/plugins/dependency-track-nodejs.md)
     * [Dependency track - Python](user-guide/plugins/dependency-track-python.md)

docs/user-guide/plugins/crane-copy.md

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+# CraneCopy
+
+## Introduction
+The **CraneCopy** plugin by Devtron facilitates the transfer of multi-architecture container images between registries. When integrated into Devtron's Post-build stage, this plugin allows you to efficiently copy and store your container images to a specified target repository.
+
+### Prerequisites
+No prerequisites are required for integrating the **CraneCopy** plugin.
+
+---
+
+## Steps
+1. Go to **Applications** → **Devtron Apps**.
+2. Click your application.
+3. Go to **App Configuration** → **Workflow Editor**.
+4. Click **New Workflow** and navigate to the **Build and Deploy from Source Code**.
+5. Fill the required fields in the **Create build pipeline** window and navigate to the **Post-build stage**.
+
+{% hint style="warning" %}
+If you have already configured workflow, edit the build pipeline, and navigate to **Post-build stage**.
+{% endhint %}
+
+6. Under 'TASKS', click the **+ Add task** button.
+7. Click the **CraneCopy** plugin.
+8. Enter the following [user inputs](#user-inputs) with appropriate values.
+
+---
+
+## User Inputs
+
+### Task Name
+Enter the name of your task
+
+e.g., `Copy and store container images`
+
+### Description
+Add a brief explanation of the task and the reason for choosing the plugin. Include information for someone else to understand the purpose of the task.
+
+e.g., `The CraneCopy plugin is integrated to copy the container images from one registry to another.`
+
+### Input Variables
+
+| Variable                 | Format       | Description | Sample Value |
+| ------------------------ | ------------ | ----------- | ------------ |
+|   RegistryUsername       |    STRING    | Username of target registry for authentication      |    admin                |
+|   RegistryPassword       |    STRING    | Password for the target registry for authentication |    Tr5$mH7p             |
+|   TargetRegistry         |    STRING    | The target registry to push to image                |    docker.io/dockertest | 
+
+
+### Trigger/Skip Condition
+Here you can set conditions to execute or skip the task. You can select `Set trigger conditions` for the execution of a task or `Set skip conditions` to skip the task.
+
+### Output Variables
+CraneCopy will not be generating an output variable.
+
+Click **Update Pipeline**.
+
+
+