Fix colab links.

PiperOrigin-RevId: 716275967
Change-Id: I79fc76aa5b95c67405ea691e3af350db9083eb55

Author: btaba

README.md

@@ -40,7 +40,7 @@ For vision-based environments, please refer to the installation instructions in
 
 ## Getting started
 
-To try out MuJoCo Playground locally on a simple locomotion environment, run the following:
+To try out MuJoCo Playground locally on a simple locomotion environment, you can run the following:
 
 ```py
 import jax
@@ -56,13 +56,18 @@ print(state.obs)
 
 For detailed tutorials on using MuJoCo Playground, see:
 
-1. Intro. to the Playground with DM Control Suite [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/dm_control_suite.ipynb)
-2. Locomotion Environments [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/locomotion.ipynb)
-3. Manipulation Environments [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/manipulation.ipynb)
+1. [Intro. to the Playground with DM Control Suite](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/dm_control_suite.ipynb) [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/dm_control_suite.ipynb)
+2. [Locomotion Environments](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/locomotion.ipynb) [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/locomotion.ipynb)
+3. [Manipulation Environments](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/manipulation.ipynb) [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/manipulation.ipynb)
 
-For tutorials on using MuJoCo Playground with Madrona-MJX, see:
-1. Training CartPole from Vision [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/training_vision_1_t4.ipynb)
-2. Robotic Manipulation from Vision (Local Instance) [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/training_vision_2.ipynb)
+For tutorials on MuJoCo Playground with Madrona-MJX batch rendering, we offer two types of colabs. The first allows you to install Madrona-MJX directly in a GPU colab instance and run vision-based cartpole!
+
+1. [Training CartPole from Vision](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/training_vision_1_t4.ipynb) on a Colab T4 Instance [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/training_vision_1_t4.ipynb)
+
+Two additional colabs require local runtimes with Madrona-MJX installed locally (see [Madrona-MJX](https://github.com/shacklettbp/madrona_mjx?tab=readme-ov-file#installation) for installation instructions):
+
+1. [Training CartPole from Vision (Local Runtime)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/training_vision_1.ipynb) [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/training_vision_1.ipynb)
+2. [Robotic Manipulation from Vision (Local Runtime)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/training_vision_2.ipynb) [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/google-deepmind/mujoco_playground/blob/main/learning/notebooks/training_vision_2.ipynb)
 
 ## How can I contribute?