Merge pull request #165 from control-toolbox/update-readme-2025-10-06

Update README (2025-10-06) with latest ABOUT.md, INSTALL.md, CONTRIBUTING.md and badges

Author: ocots

README.md

@@ -56,6 +56,9 @@ pkg> add OptimalControlProblems
 > [!TIP]
 > If you are new to Julia, please follow this [guidelines](https://github.com/orgs/control-toolbox/discussions/64).
 
+>[!NOTE]
+>The package requires Julia version 1.10 or later.
+
 ## Citing us
 
 If you use OptimalControlProblems.jl in your work, please cite us: