Began porting the mapping system

src/meson.build

@@ -5,6 +5,7 @@ serif_sources = files(
   'lib/serif/discretization/domain/schema/validation/results.cpp',
   'lib/serif/discretization/quadrature/policy.cpp',
   'lib/serif/eos/models/polytropic.cpp',
+  'lib/serif/mapping/compactification/kelvin.cpp',
 )
 
 serif_lib = library(
@@ -45,6 +46,6 @@ if get_option('build_checks')
     'serif_checks',
     checks_srcs,
     include_directories: [include_dir, nameof_include_dir, magic_enum_include] ,
-    dependencies: [mfem_dep],
+    dependencies: [mfem_dep, magic_enum_dep],
   )
 endif