Add B/W 2 locations

Most of the English names are official; the remaining few were
translated by Guested.

B/W 2 adds another Victory Road—this is a new location, distinct from
the previous one. The name remains the same, but our identifier is
unova-victory-road-2.

pokedex/data/csv/location_game_indices.csv

@@ -439,3 +439,39 @@ location_id,generation_id,game_index
 426,5,114
 427,5,115
 428,5,116
+531,5,117
+532,5,118
+533,5,119
+534,5,120
+535,5,121
+536,5,122
+537,5,123
+538,5,124
+539,5,125
+540,5,126
+541,5,127
+542,5,128
+543,5,129
+544,5,130
+545,5,131
+546,5,132
+547,5,133
+548,5,134
+549,5,135
+550,5,136
+551,5,137
+552,5,139
+553,5,140
+554,5,141
+555,5,142
+556,5,143
+557,5,144
+558,5,145
+559,5,146
+560,5,147
+561,5,148
+562,5,149
+563,5,150
+564,5,151
+565,5,152
+566,5,153