Merge pull request #809 from huggingface/bump_release

add image and improve table

chapters/en/chapter12/1.mdx

@@ -1,5 +1,7 @@
 # The Reasoning Course
 
+![Reasoning Course Banner](https://huggingface.co/reasoning-course/images/resolve/main/grpo/15.png)
+
 Welcome to an exciting journey into the world of open-source AI with reinforcement learning! This chapter is designed to help students understand reinforcement learning and its role in LLMs.
 
 We will also explore [Open R1](https://github.com/huggingface/open-r1), a groundbreaking community project that's making advanced AI accessible to everyone. Specifically, this course is to help students and learners to use and contribute to [Open R1](https://github.com/huggingface/open-r1).

chapters/en/chapter12/6.mdx

@@ -9,10 +9,10 @@ This chapter is being run as a live cohort now! If you've finished the material
 | March 7th, 2025 | No-Code Exam and Certification |
 | March 14th, 2025 | Next Practical Exercise |
 | March 21st, 2025 | Interactive code review |
-| | Unsloth Exercise on fine-tuning a model with GRPO |
-| | More written material on building reasoning models |
-| | Live sessions on building Open R1 |
-| | Code Exam and Certification |
+| March 2025 | Unsloth Exercise on fine-tuning a model with GRPO |
+| April 2025 | More written material on building reasoning models |
+| April 2025 | Live sessions on building Open R1 |
+| April 2025 | Code Exam and Certification |
 
 ## Staying Up to Date