New file: examples/gmsh_heat_equation/README.md (74 lines)
Quick-start documentation covering:
- Problem statement (heat equation with BCs)
- Quick start commands (mesh generation, run example)
- What you get (assembly workflow, matrix extraction)
- Academic usage section directly addressing Issue #183
- Code snippet showing K, M, f extraction for external solvers
- File listing and links to comprehensive tutorial
Provides immediate context for users discovering this example
Jukka Aho