docs: update the Zed configuration file format

[tthallos]

The documentation in the docs directory has outdated configuration versions for Zed.

[Copilot]

Pull Request Overview

This PR updates JSON configuration examples across multiple localized README files to standardize the configuration format for the Context7 MCP server. The changes also include code quality improvements by removing trailing whitespace.

• Refactored JSON configuration structure from nested command object to flat structure with source: "custom"
• Removed trailing whitespace from array entries for cleaner formatting
• Fixed trailing whitespace on empty lines in Vietnamese documentation

Reviewed Changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
docs/README.zh-TW.md	Updated VS Code configuration structure and removed trailing whitespace from tools array entries
docs/README.zh-CN.md	Updated Zed configuration structure and removed trailing whitespace from tools array entries
docs/README.vi.md	Updated VS Code configuration structure, removed trailing whitespace from tools array entries and empty lines
docs/README.uk.md	Updated VS Code configuration structure and removed trailing whitespace from tools array entries
docs/README.tr.md	Updated VS Code configuration structure
docs/README.ru.md	Updated VS Code configuration structure and removed trailing whitespace from tools array entries
docs/README.pt-BR.md	Updated VS Code configuration structure and removed trailing whitespace from tools array entries
docs/README.ko.md	Updated VS Code configuration structure and removed trailing whitespace from tools array entries
docs/README.ja.md	Updated VS Code configuration structure and removed trailing whitespace from tools array entries
docs/README.it.md	Updated VS Code configuration structure and removed trailing whitespace from tools array entries
docs/README.id-ID.md	Updated VS Code configuration structure and removed trailing whitespace from tools array entries
docs/README.fr.md	Updated VS Code configuration structure and removed trailing whitespace from tools array entries
docs/README.de.md	Updated VS Code configuration structure and removed trailing whitespace from tools array entries
docs/README.ar.md	Updated VS Code configuration structure

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[enesgules]

TYSM!