Add multilingual language and systems learning tracks

en/expanded-30-2/README.md

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+# CPU/GPU Core & Memory Mapping · 2
+
+[Agila University track](https://edu.agilaos.com/track.php?track=30&lang=en)
+
+About 15 minutes per lesson. Predict, run, change, explain, then complete the check in University.
+
+- [Lesson 1: Virtual, physical, and device addresses](lesson-1/lesson.html)
+- [Lesson 2: Caches, locality, and working sets](lesson-2/lesson.html)
+- [Lesson 3: NUMA placement and first touch](lesson-3/lesson.html)