Add Russian language pack (SkS-Other.orca-russian)

[ShutovKS]

Adds a community Russian language pack to the marketplace index.

Plugin

• id: SkS-Other.orca-russian
• source: https://github.com/SkS-Other/orca-russian.git @ v1.0.0
• categories: ["languages"] (community; no official)
• locale: ru

Coverage

• 11,598 / 11,600 translatable strings shipped (99.98%); 2 remaining are inline CSS for animated marketing visuals (over the host's 8,192-char limit) dropped to the identical English-source CSS fallback.
• Covers settings, sidebars, editor (rich Markdown, diff, notebooks, PDF), terminal, browser pane, mobile companion, onboarding, feature wall, automations, dashboard, emulator pane, and application menu.
• Manifest matches the official orca-portuguese schema (manifestVersion, id, publisher, name, version, repository, engines, pluginApi, contributes.languagePacks, capabilities).

Validation

Validated against the host loader rules (parsePluginLanguagePackArtifact):

• 11,598 entries (≤ 20,000)
• max depth 13 (≤ 16)
• 0 dangerous/unsafe keys, 0 protected paths (plugin-protected namespace filtered)
• max string length 7,055 (≤ 8,192)
• 0 orphans, 0 missing

Release

Tagged v1.0.0 on the source repo for this pinned ref.

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