docs: suggest shorter name for server

[SamMorrowDrums]

Long names increase the risk that the max length for tool names will be breached as many clients add the user specified name as part of the key.

[Copilot]

Pull Request Overview

This PR shortens the configured server key from "github-remote" to "github" in JSON examples to reduce name length risks.

• Replace all instances of "github-remote" with "github" in README JSON snippets.
• Ensure consistent server identifier usage in both servers and mcpServers blocks.

Comments suppressed due to low confidence (2)

README.md:43

• [nitpick] The server identifier "github" is very generic and might conflict with other entries; consider a concise yet more specific key (e.g., "github-mcp") to maintain clarity and avoid collisions.

    "github": {

README.md:43

• Since the server key has changed from "github-remote" to "github", please add a migration note or update references to ensure users adjust existing configurations accordingly, including any mentions in docs/host-integration.md.

    "github": {