docs(linkr): rename product to 'Rui Sha Ling Kong / Radxa Linkr' in CN & EN tutorials and remove KVM wording

[tangzz-radxa]

Background

The product's Chinese name has been updated from Linkr KVM to 「瑞莎灵控」, and the English product name has been changed accordingly to Radxa Linkr. Both the Chinese and English tutorials are updated in sync. The product positioning has also shifted from a "hardware KVM-over-IP solution" to a web-based keyboard/mouse-driven remote display solution, and the "KVM" terminology is no longer used in customer-facing documentation.

Main Changes

Product Overview (docs/linkr/linkr-kvm/product-introduction.mdx & i18n/.../product-introduction.mdx)

• CN opening paragraph:
  • Before: Linkr KVM（Radxa Linkr KVM）是一款基于 Web 的 IP KVM 设备
  • After: 瑞莎灵控（Radxa Linkr）是一款远程控制工具，基于 Web 的键盘鼠标远程显示方案打造
• EN opening paragraph:
  • Before: Linkr KVM (Radxa Linkr KVM) is a web-based IP KVM device that captures the video output ...
  • After: Radxa Linkr is a web-based remote control tool that delivers a keyboard/mouse-driven remote display solution. It captures the video output ...
• CN product positioning:
  • Before: 轻量级、开箱即用的硬件 KVM over IP 解决方案
  • After: 轻量级、开箱即用的基于键盘鼠标的远程显示解决方案
• EN product positioning:
  • Before: lightweight, ready-to-use hardware KVM-over-IP solution
  • After: lightweight, ready-to-use hardware solution for remote keyboard/mouse display
• Replaced all Linkr KVM product references and standalone KVM mentions referring to the product throughout the file (CN: 灵控 / 远程控制; EN: Linkr / remote control).

Other CN & EN Tutorials

For getting-started.mdx, firmware-update.mdx, access-token.mdx, usage.mdx, advanced-usage/wake-on-lan.mdx, and advanced-usage/remote-access.mdx:

• CN: first appearance of the product uses 瑞莎灵控（Radxa Linkr）; later references use 灵控.
• EN: first appearance uses Radxa Linkr; later references use Linkr.
• Cleaned up all standalone KVM references that pointed at the product.

For develop-guide.mdx (developer-facing):

• Both CN and EN open with Radxa Linkr (developer docs skip the bilingual first-mention form).
• Replaced the legacy internal IPKVM token with 灵控 / Linkr in technical context.

For README.md:

• CN: # 灵控 KVM → # 瑞莎灵控
• EN: # Linkr KVM → # Radxa Linkr

Naming Convention (aligned across CN & EN)

Context	Chinese	English
First mention in a tutorial	瑞莎灵控（Radxa Linkr）	Radxa Linkr
Subsequent mentions	灵控 or 瑞莎灵控	Linkr
Product name (CN/EN both)	No more Linkr KVM as the product name	No more Linkr KVM as the product name

Scope of Impact

• Modified 9 files under docs/linkr/linkr-kvm/ and 9 mirror files under i18n/en/docusaurus-plugin-content-docs/current/linkr/linkr-kvm/ (18 files total).
• No code, image, or sidebar / front-matter changes.
• No changes to the public website (radxa-web) source.
• Preserved technical identifiers that are part of existing public surfaces and intentionally out of scope of this rename:
  • radxa-linkr/linkr GitHub repo (firmware OTA source)
  • linkr-ota-*.bin firmware file naming
  • radxa_linkr_ API token prefix
  • linkr.now discovery service
  • linkr.local / linkr-usb.local mDNS hostnames
  • linkr_ip / linkr-ip API placeholders in curl examples
    These are operational assets; renaming them requires a coordinated migration beyond docs.

Checklist

• Docs-only change
• Chinese and English updated in lockstep
• No sidebar / front-matter changes
• Branched from upstream-docs/main with a clean working tree
• All KVM references to the product replaced with the new naming
• Passes github_pr_guard.py check (bilingual sync verified)

Commits

• b18dd8e — docs: 移除 linkr-kvm 中文教程中的 KVM 表述，引入瑞莎灵控产品名 (Chinese)
• d2cffd7 — docs(linkr): 同步英文版教程引入'Radxa Linkr'产品名 (English)

Both are on branch docs/linkr-kvm-rename-2013 in the same PR for single-pass review.

/cc Radxa Docs Reviewers