Merge branch rel-10.1 with rel-10.0

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This PR generated automatically to merge rel-10.1 with rel-10.0. Please review the changed files before merging to prevent any errors that may occur.

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Pull request overview

This PR adds centralized documentation for ABP Studio custom commands, updates related docs to point to it, and wires the new page into the navigation and UI context descriptions.

Changes:

• Added a new Custom Commands page documenting how to create, configure, and use custom commands across Kubernetes and Solution Runner contexts, including template variables and an example Docker build command.
• Updated the Kubernetes and Running Applications docs to reference the new custom-commands page and briefly describe where custom commands appear in their respective UIs.
• Registered the new page in docs-nav.json and added supporting screenshots for the custom command management and editor UI.

Reviewed changes

Copilot reviewed 4 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
docs/en/studio/running-applications.md	Adds a “Custom Commands” section describing how Solution Runner items (root, folders, applications) can use custom commands and links to the dedicated documentation.
docs/en/studio/kubernetes.md	Simplifies and generalizes the “Advanced Topics → Custom Commands” section, keeping a brief overview and screenshot while delegating detailed configuration to the new custom-commands page and updating the doc-nav “Next” link.
docs/en/studio/custom-commands.md	New page that documents the custom commands feature: management window, command properties, trigger/execution targets, available Scriban variables per context, and a concrete Docker image build example.
docs/en/docs-nav.json	Adds “Custom Commands” under ABP Studio → Fundamentals, pointing to studio/custom-commands.md for sidebar navigation.
docs/en/studio/images/custom-commands/management-window.png	New screenshot asset showing the Custom Commands management window used by the new documentation.
docs/en/studio/images/custom-commands/create-edit-command.png	New screenshot asset showing the create/edit command dialog referenced in the new doc page.