docs: HTTP discovery docs drift after Rust migration

[erayack]

Description

The HTTP discovery documentation has drifted from the actual implementation following the Rust migration.

Primary Files Involved

• Implementation Source:
  

  cog/crates/coglet/src/transport/http/routes.rs

  Lines 112 to 120 in 086f271

  	let mut doc = serde_json::json!({
  	"cog_version": cog_version,
  	"docs_url": "/docs",
  	"openapi_url": "/openapi.json",
  	"shutdown_url": "/shutdown",
  	"healthcheck_url": "/health-check",
  	"predictions_url": "/predictions",
  	"predictions_idempotent_url": "/predictions/{prediction_id}",
  	"predictions_cancel_url": "/predictions/{prediction_id}/cancel",

• Documentation to Update:
  

  cog/docs/http.md

  Line 216 in 086f271

  ### `GET /`