[Bot Commands] Separate Bot Commands into Individual Files (#4035)

# Notes
- Separate all bot commands into individual files like regular commands.

# Images

zone/bot_commands/summon_corpse.cpp

@@ -0,0 +1,47 @@
+#include "../bot_command.h"
+
+void bot_command_summon_corpse(Client *c, const Seperator *sep)
+{
+	// Same methodology as old command..but, does not appear to work... (note: didn't work there, either...)
+
+	// temp
+	c->Message(Chat::White, "This command is currently unavailable...");
+	return;
+
+	bcst_list* local_list = &bot_command_spells[BCEnum::SpT_SummonCorpse];
+	if (helper_spell_list_fail(c, local_list, BCEnum::SpT_SummonCorpse) || helper_command_alias_fail(c, "bot_command_summon_corpse", sep->arg[0], "summoncorpse"))
+		return;
+	if (helper_is_help_or_usage(sep->arg[1])) {
+		c->Message(Chat::White, "usage: <friendly_target> %s", sep->arg[0]);
+		helper_send_usage_required_bots(c, BCEnum::SpT_SummonCorpse);
+		return;
+	}
+
+	Bot* my_bot = nullptr;
+	std::list<Bot*> sbl;
+	MyBots::PopulateSBL_BySpawnedBots(c, sbl);
+
+	bool cast_success = false;
+	for (auto list_iter : *local_list) {
+		auto local_entry = list_iter;
+		if (helper_spell_check_fail(local_entry))
+			continue;
+
+		auto target_mob = ActionableTarget::AsSingle_ByPlayer(c);
+		if (!target_mob)
+			continue;
+
+		if (spells[local_entry->spell_id].base_value[EFFECTIDTOINDEX(1)] < target_mob->GetLevel())
+			continue;
+
+		my_bot = ActionableBots::Select_ByMinLevelAndClass(c, local_entry->target_type, sbl, local_entry->spell_level, local_entry->caster_class, target_mob);
+		if (!my_bot)
+			continue;
+
+		cast_success = helper_cast_standard_spell(my_bot, target_mob, local_entry->spell_id);
+
+		break;
+	}
+
+	helper_no_available_bots(c, my_bot);
+}