Added register and delete cot functions to handle CoT delete commands

addons/main/functions/api/fn_delete_registered_cots.sqf

@@ -0,0 +1,36 @@
+// function name: armatak_fnc_delete_registered_cots
+// function author: Valmo, Codex
+// function description: Sends forced delete CoTs for all registered CoTs in a scope.
+//
+// Arguments:
+// 0: Scope/key used to group CoTs <STRING>
+//
+// Return Value:
+// Number of delete CoTs sent <NUMBER>
+//
+// Public: Yes
+
+params [
+	["_scope", "", [""]]
+];
+
+if (_scope isEqualTo "") exitWith {0};
+
+private _registry = missionNamespace getVariable ["armatak_registered_cots", []];
+private _remaining = [];
+private _deleted = 0;
+
+{
+	_x params ["_registeredScope", "_uid", "_type", "_lat", "_lon", "_hae"];
+
+	if (_registeredScope isEqualTo _scope) then {
+		"armatak" callExtension ["tcp_socket:cot:delete", [[_uid, _type, _lat, _lon, _hae]]];
+		_deleted = _deleted + 1;
+	} else {
+		_remaining pushBack _x;
+	};
+} forEach _registry;
+
+missionNamespace setVariable ["armatak_registered_cots", _remaining];
+
+_deleted