add GSoC ideas

docs/gsoc/ideas.md

@@ -2,4 +2,16 @@
 icon: light-bulb
 order: 0
 label: "Project Ideas"
----
+---
+
+### Implement pybind11 for bindings
+
+TBA
+
+### Port cpython's secret lab regex
+
+TBA
+
+### Add `numpy` module
+
+TBA