pkmnsim_db_dump: added Gen 1-2 item info
pkmnsim_db_dump: added Gen 1-2 item info

* Added Gen 2 exclusive items to "items" and "item_names"
* Added Gen 1-2 indices to "item_game_indices"

codemonkey85/LibPKMN,codemonkey85/LibPKMN,codemonkey85/LibPKMN,codemonkey85/LibPKMN,codemonkey85/LibPKMN