feat: add module mp_units

test/unit_test/static/isq_test.cpp

@@ -20,9 +20,13 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 // SOFTWARE.
 
+#ifdef MP_UNITS_MODULES
+import mp_units;
+#else
 #include <mp-units/reference.h>
 #include <mp-units/systems/isq/isq.h>
 #include <mp-units/systems/si/unit_symbols.h>
+#endif
 
 namespace {