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

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

# Images

zone/bot_commands/guard.cpp

@@ -0,0 +1,60 @@
+#include "../bot_command.h"
+
+void bot_command_guard(Client *c, const Seperator *sep)
+{
+	if (helper_command_alias_fail(c, "bot_command_guard", sep->arg[0], "guard")) {
+		return;
+	}
+	if (helper_is_help_or_usage(sep->arg[1])) {
+
+		c->Message(Chat::White, "usage: %s ([option: clear]) [actionable: byname | ownergroup | ownerraid | namesgroup | healrotation | byclass | byrace | spawned]] ([actionable_name])", sep->arg[0]);
+		return;
+	}
+	const int ab_mask = (ActionableBots::ABM_Target | ActionableBots::ABM_Type2);
+
+	bool clear = false;
+	int ab_arg = 1;
+	int name_arg = 2;
+
+	std::string clear_arg = sep->arg[1];
+	if (!clear_arg.compare("clear")) {
+
+		clear = true;
+		ab_arg = 2;
+		name_arg = 3;
+	}
+
+	std::string class_race_arg = sep->arg[ab_arg];
+	bool class_race_check = false;
+	if (!class_race_arg.compare("byclass") || !class_race_arg.compare("byrace")) {
+		class_race_check = true;
+	}
+
+	std::list<Bot*> sbl;
+	if (ActionableBots::PopulateSBL(c, sep->arg[ab_arg], sbl, ab_mask, !class_race_check ? sep->arg[name_arg] : nullptr, class_race_check ? atoi(sep->arg[name_arg]) : 0) == ActionableBots::ABT_None) {
+		return;
+	}
+
+	sbl.remove(nullptr);
+	for (auto bot_iter : sbl) {
+
+		if (clear) {
+			bot_iter->SetGuardFlag(false);
+		}
+		else {
+			bot_iter->SetGuardMode();
+		}
+	}
+
+	if (sbl.size() == 1) {
+		Bot::BotGroupSay(
+			sbl.front(),
+			fmt::format(
+				"{}uarding this position.",
+				clear ? "No longer g" : "G"
+			).c_str()
+		);
+	} else {
+		c->Message(Chat::White, "%i of your bots are %sguarding their positions.", sbl.size(), (clear ? "no longer " : ""));
+	}
+}