Refactor weapon system: implement WeaponHandler to manage LorentzField and prepare for additional weapons; update shader to incorporate lorentz_field uniform for visual effects.

game/weapons/occams_razor.rb

@@ -0,0 +1,9 @@
+class OccamsRazor
+  def initialize
+    #
+  end
+
+  def attack(dt)
+    #
+  end
+end