Cobblemon Spawn Alerts

-Removed Arceus from the default config
-Renamed main.json to pokemon.json
-Renamed reloadconfig command to just reload
-Added main.json to configure general settings. The new settings for alerting all shinies/legendaries/mythicals/ultra beasts will always send an alert when those Pokemon spawn unless their config is disabled. Also added alertAllNotInDex and alertAllUncaught
-Added showLegendary as a Pokemon config option. This will show whether the Pokemon is legendary/mythical/ultra beast
-Added {legendary} dynamic replacement, which includes legendary, mythical, and ultra beast. Each one is its own template in message_templates.json
-Added unformatted dynamic replacements for use in custom alert messages: {shiny_unformatted}, {level_unformatted}, {ivs_unformatted}, {nature_unformatted}, {coords_unformatted}, and {legendary_unformatted}
-Added openconfig command to open the config folder