Gun refactor (#8301)

Co-authored-by: Kara <lunarautomaton6@gmail.com>
Co-authored-by: T-Stalker <le0nel_1van@hotmail.com>
Co-authored-by: T-Stalker <43253663+DogZeroX@users.noreply.github.com>
Co-authored-by: ElectroJr <leonsfriedrich@gmail.com>
Co-authored-by: metalgearsloth <metalgearsloth@gmail.com>

Content.Shared/Weapons/Ranged/Components/BatteryAmmoProviderComponent.cs

@@ -0,0 +1,18 @@
+namespace Content.Shared.Weapons.Ranged.Components;
+
+public abstract class BatteryAmmoProviderComponent : AmmoProviderComponent
+{
+    /// <summary>
+    /// How much battery it costs to fire once.
+    /// </summary>
+    [ViewVariables, DataField("fireCost")]
+    public float FireCost = 100;
+
+    // Batteries aren't predicted which means we need to track the battery and manually count it ourselves woo!
+
+    [ViewVariables]
+    public int Shots;
+
+    [ViewVariables]
+    public int Capacity;
+}