added ref soln for 1e-4 cr

unit_test/burn_cell_metal_chem/reference_solution_1e-4_cr.out

@@ -0,0 +1,45 @@
+T final =   147.7683116
+Tdust initial = 2.73
+Tdust final =   2.73011553
+Eint initial = 3.076327772e+10
+Eint final =   1.513215778e+10
+rho initial = 2.19237286e-25
+rho final =   8.584967659e-23
+numdens final =   42.01703298
+------------------------------------
+New number densities: 
+3.618146141e-11
+6.359100105e-12
+0.009881914175
+0.009418073197
+38.77226502
+3.20470124e-10
+6.198557552e-08
+0.0003473680822
+2.269222127e-10
+4.223403079e-15
+0.1903033022
+4.370428953e-17
+4.41533287e-05
+2.870839891e-61
+0.0004636674374
+3.034307659
+1.11343367e-07
+2.516182285e-07
+3.316772813e-14
+5.613718396e-17
+1.589011031e-20
+8.790994152e-11
+1.396566658e-06
+2.029755439e-22
+1.959337981e-10
+2.586118238e-10
+2.040183393e-11
+6.359000941e-12
+4.82173666e-13
+3.56649764e-18
+3.618103809e-11
+5.69756483e-18
+9.566879204e-16
+1.579849294e-19
+AMReX (22.07-875-gb05f69fe3748) finalized