[PWGEM] LMee: adding the upper limit of the BR of the eta resonance decay

Author: jjungIKF

MC/config/PWGEM/decaytables/decaytable_LMee.dat

@@ -288,6 +288,7 @@
               1    2    0.006899        22        11       -11         0         0
               1    0    0.000309        22        13       -13         0         0
               1    0    0.000006       -13        13         0         0         0
+              1    0    0.0000007      -11        11         0         0         0
               1    0    0.000000       -11        11       -11        11         0
               1    0    0.000000       211      -211        11       -11         0
        331  eta'                                0  0  0     0.95778    0.000197    0.002    1.00336E-09  0  1