feat(initial): added portable mfem build system

pyproject.toml

@@ -0,0 +1,41 @@
+[build-system]
+build-backend = "mesonpy"
+requires = [
+  "meson-python>=0.20",
+  "meson>=1.9.1",
+  "ninja>=1.11",
+  "cmake>=3.24",
+  "patchelf>=0.17; sys_platform == 'linux'",
+]
+
+[project]
+name = "meson-mfem-template"
+dynamic = ["version"]
+description = "Portable Meson source bundle and nanobind validation module for MFEM"
+readme = "README.md"
+requires-python = ">=3.10"
+license = "MIT"
+license-files = ["LICENSE"]
+
+[tool.meson-python]
+allow-windows-internal-shared-libs = true
+
+[tool.meson-python.args]
+setup = [
+  "-Dbuildtype=release",
+  "-Dallow_preinstalled=false",
+  "-Dfeature_profile=portable",
+  "-Dbuild_python=true",
+  "-Dbuild_examples=false",
+  "-Dbuild_tests=false",
+  "-Dinstall_mfem=true",
+  "-Dpython_install_native=true",
+  "-Dmfem_openmp=disabled",
+  "-Dmfem_cuda=disabled",
+  "-Dmfem_hip=disabled",
+  "--force-fallback-for=nanobind,robin-map",
+]
+install = [
+  "--tags=python-runtime,python-native",
+  "--skip-subprojects",
+]