docs: Updated the troubleshooting guide and added the ACRBuildAndPushGuide

[Prekshith-Microsoft]

…file.

Purpose

This pull request updates the documentation to improve deployment troubleshooting guidance and adds a new guide for building and pushing Docker images to Azure Container Registry (ACR). The main improvements include expanded troubleshooting steps for common Azure deployment errors, corrections to error names and links, and the addition of a comprehensive step-by-step guide for ACR workflows.

Documentation Enhancements

• Added a new file docs/ACRBuildAndPushGuide.md with step-by-step instructions for building and pushing Docker images for WebApp and Backend services to Azure Container Registry, including prerequisites, verification, and manual update steps.
• Expanded docs/TroubleShootingSteps.md with detailed troubleshooting steps for new Azure deployment errors such as InvalidRequestContent, ReadOnlyDisabledSubscription, SkuNotAvailable, CrossTenantDeploymentNotPermitted, FlagMustBeSetForRestore, PrincipalNotFound, RedundancyConfigurationNotAvailableInRegion, DeploymentNotFound, ResourceGroupDeletionTimeout, SubscriptionDoesNotHaveServer, BadRequest, SpecialFeatureOrQuotaIdRequired, and ContainerAppOperationError. Each error now includes causes, resolution steps, and relevant documentation links.

Corrections and Improvements

• Corrected error names for consistency (e.g., ParentResourceNotfound to ParentResourceNotFound) and updated documentation links for resource provider registration errors. [1] [2]
• Improved error grouping and descriptions, such as combining related errors (DeploymentModelNotSupported/InvalidResourceProperties) and removing obsolete error codes. [1] [2]
• Minor formatting improvement at the top of the troubleshooting guide for better readability.

Does this introduce a breaking change?

• Yes
• No

Golden Path Validation

• I have tested the primary workflows (the "golden path") to ensure they function correctly without errors.

Deployment Validation

• I have validated the deployment process successfully and all services are running as expected with this change.

What to Check

Verify that the following are valid

• I have built and tested the code locally and in a deployed app
• For frontend changes, I have pulled the latest code from main, built the frontend, and committed all static files.
• This is a change for all users of this app. No code or asset is specific to my use case or my organization.

Other Information

[github-actions]

🎉 This PR is included in version 1.6.1 🎉

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