P1-M3-T4: Resource docs and examples

[Rihoj]

Task ID: P1-M3-T4

Document res:// endpoints in EXAMPLES.md and QUICKSTART.md with sample calls.

Acceptance criteria:

• Examples run locally using test_mcp.sh or equivalent

Estimate: 0.5d
Labels:["docs","examples","phase:1","milestone:P1-M3"]

Dependencies:

• P1-M3-T3: Resources export (resources/resources.go) #14

Project: https://github.com/orgs/rayprogramming/projects/2