Adds weapons (#48)

* Adds weapons

- Adds melee weapons
- Adds projectile weapons
- Adds hitscan weapons (like lasers)

* Adds a separate sprite for projectile weapons

Content.Server/GameObjects/Components/Weapon/Ranged/RangedWeapon.cs

@@ -0,0 +1,35 @@
+using SS14.Shared.GameObjects;
+using Content.Server.GameObjects.EntitySystems;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.Map;
+
+namespace Content.Server.GameObjects.Components.Weapon.Ranged
+{
+    public class RangedWeaponComponent : Component, IAfterAttack
+    {
+        public override string Name => "RangedWeapon";
+
+        void IAfterAttack.Afterattack(IEntity user, LocalCoordinates clicklocation)
+        {
+            if(UserCanFire(user) && WeaponCanFire())
+            {
+                Fire(user, clicklocation);
+            }
+        }
+
+        protected virtual bool WeaponCanFire()
+        {
+            return true;
+        }
+
+        protected virtual bool UserCanFire(IEntity user)
+        {
+            return true;
+        }
+
+        protected virtual void Fire(IEntity user, LocalCoordinates clicklocation)
+        {
+            return;
+        }
+    }
+}