update readme

README.md

-# gnmoc
+![CIMPA](http://caillau.perso.math.cnrs.fr/cimpa-2021.png)
 
-Cimpa School on OPTIMAL CONTROL AND APPLICATIONS IN ENGINEERING. 
+# Geometric and numerical methods in optimal control I
+
+1. Optimal control of ODE's 
+([video](https://pod.univ-cotedazur.fr/video/11163-geometric-and-numerical-methods-in-optimal-control-i-14))
+
+2. Example: Goddard's problem ("fly high")
+([video](https://pod.univ-cotedazur.fr/video/11164-geometric-and-numerical-methods-in-optimal-control-i-24))
+
+3. Refresher on Runge-Kutta methods
+([video](https://pod.univ-cotedazur.fr/video/11172-geometric-and-numerical-methods-in-optimal-control-i-34))
+
+4. A "do it yourself" direct solver
+([video](https://pod.univ-cotedazur.fr/video/11173-geometric-and-numerical-methods-in-optimal-control-i-44))
+
+[Course notes](course/course.pdf)
+
+[Hands on 1](https://github.com/jump-dev/JuMPTutorials.jl/blob/master/notebook/modelling/rocket_control.ipynb)
+
+[Hands on 2](https://ct.gitlabpages.inria.fr/gallery/goddard/goddard.html)  
+
+[FAQ](https://optimalcontrol.zulip.beta.cimpa-lms.info/#narrow/stream/284-geometric_methods1)
+
+# References
+
+[ct (control toolbox)](https://ct.gitlabpages.inria.fr/gallery)
+
+[Geometric and numerical methods in optimal control II](https://ct.gitlabpages.inria.fr/gallery/shooting_tutorials/simple_shooting_general)
+
+[Julia tutorial](https://syl1.gitbook.io/julia-language-a-concise-tutorial)
+
+[JuMP](https://mlubin.github.io/pdf/jump-sirev.pdf)
+
+Hager, W. W.; Hou, H.; Mohapatra, S.; Rao, A. V.; Wang, X.-S.
+[Convergence rate for a Radau hp collocation method applied to constrained optimal control](https://doi.org/10.1007/s10589-019-00100-1).
+*Computational Optimization and Applications* **74** (2019), 275-314
+
+Hairer, E.; Lubich, C.; Wanner, G. *Geometric Numerical Integration*. Springer, 2006
 
-Geometric and numerical methods in optimal control II
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