added endless mode support to the wave viewer

Weapons/RocketLauncher/weapon_stats.tres

@@ -1,6 +1,7 @@
 [gd_resource type="Resource" script_class="CardText" format=3 uid="uid://d2yo07m2mp2mp"]
 
 [ext_resource type="Script" uid="uid://bsuinotkvh7eu" path="res://Scripts/Resources/feature.gd" id="1_h5r83"]
+[ext_resource type="Resource" uid="uid://dfup264h2pun7" path="res://Scripts/Features/HeavyRounds/heavy_rounds_feature.tres" id="2_lnb6u"]
 [ext_resource type="Script" uid="uid://dg7gxxqfqxcmc" path="res://Scripts/Resources/card_text.gd" id="2_ow0r7"]
 
 [resource]
@@ -12,4 +13,5 @@ attributes = Dictionary[String, float]({
 "Fire Delay": 2.0,
 "Target Limit": 3.0
 })
+features = Array[ExtResource("1_h5r83")]([ExtResource("2_lnb6u")])
 text = "DESC_WEAPON_ROCKET"