broken links in readme

[howenyap]

links below lead to 404:

• Core Concepts
  • https://docs.hud.ai/concepts
  • https://github.com/hud-evals/hud-python/blob/main/README.md?plain=1#L60
• Environments
  • https://docs.hud.ai/quick-links/environments
  • https://github.com/hud-evals/hud-python/blob/main/README.md?plain=1#L77
• Deploy
  • https://docs.hud.ai/quick-links/deploy
  • https://github.com/hud-evals/hud-python/blob/main/README.md?plain=1#L96
• Testing & Evaluation
  • https://docs.hud.ai/advanced/testing-environments
  • https://github.com/hud-evals/hud-python/blob/main/README.md?plain=1#L96