build(GridFire): added project structure

.gitignore

@@ -0,0 +1,88 @@
+# Python
+__pycache__/
+*.py[cod]
+*.pyo
+*.pyd
+*.env
+*.venv
+env/
+venv/
+ENV/
+ENV.bak/
+*.egg-info/
+dist/
+build/
+*.egg
+
+# C and C++ (using Meson)
+build/
+*.o
+*.a
+*.so
+*.d
+*.dSYM/
+*.exe
+*.out
+*.obj
+*.dll
+*.lib
+*.pdb
+*.exp
+*.log
+*.stackdump
+
+# Fortran
+*.mod
+*.o
+*.a
+*.so
+*.exe
+*.out
+
+# Doxygen
+html/
+latex/
+xml/
+man/
+rtf/
+tags
+
+## Misc
+*.swp
+*._DS_Store
+*.DS_Store
+*.bak
+*.tmp
+*.log
+*.cache
+*.private
+*.private/
+
+subprojects/mfem/
+subprojects/tetgen/
+subprojects/yaml-cpp/
+subprojects/quill/
+subprojects/googletest-*/
+subprojects/opat-core/
+subprojects/pybind11*/
+subprojects/packagecache/
+subprojects/hypre/
+subprojects/qhull/
+subprojects/cppad/
+
+qhull.wrap
+
+.vscode/
+
+*.log
+mpi-install-log.txt
+
+output/
+
+.boost_installed
+4DSSE_logs/
+.last_build_flags
+
+.idea/
+
+scratch/