Add Time-Domain Astrophysics course to showcase

src/en/docs/education-showcase.jlmd

@@ -21,6 +21,7 @@ Feel free to add your course to this list by clicking "Edit this page" at the bo
 |--------|--------|------|-------|
 | 🇳🇱 [Bayesian Machine Learning and Information Processing (5SSD0)](https://github.com/bmlip/course) (TU Eindhoven) | Bayesian ML, signal processing, variational Bayes | 2026 | 🎈 _Co-developed with Pluto!_ |
 | 🇺🇸 [MIT 18.S191 — Introduction to Computational Thinking](https://computationalthinking.mit.edu) (MIT) | scientific computing, epidemic modeling, climate modeling, raytracing, image processing | 2026 | 🎈 _Co-developed with Pluto!_ |
+| 🇮🇹 [Time-Domain Astrophysics](http://192.167.38.133:8081/Course.html) (Università dell'Insubria, Como) | Time-series analysis in astrophyisics | 2026 | |
 | 🇩🇪 [Research Software Engineering with Julia](https://vchuravy.dev/rse-course/) (University of Mainz) | Julia programming, research software engineering, parallelism, type stability, multiple dispatch, accelerated computing | 2026 | Uses [CT template](../notebooks-online/#ct-template) |
 | 🇩🇪 [Höhere Mathematik I+II](https://hm-hpsc.math.uni-augsburg.de/) (University of Augsburg) | fundamentals, calculus, linear algebra | 2025 | interactivity powered by [PlutoSliderServer.jl](https://github.com/JuliaPluto/PlutoSliderServer.jl) |
 | 🇬🇧 [RCDS Introduction to Julia](https://github.com/ImperialCollegeLondon/RCDS-introduction-to-julia) (Imperial College London) | Julia programming | 2025 | |