Add more documentation and fix rubocop warnings

data/plugins/combat/weapons/melee/daggers.rb

@@ -29,9 +29,9 @@ create_weapon_class :dragon_dagger, widget: DAGGER_WIDGET_ID do
   style :defensive, button: 5
 end
 
-create_weapon /(?:drag|dragon) dagger.*/, :dragon_dagger do
+create_weapon(/(?:drag|dragon) dagger.*/, :dragon_dagger) do
   set_special_attack speed: 4, energy_requirement: 25, animation: 1062, graphic: { id: 252, height: 100 } do
-    damage! 
+    damage!
     damage! secondary: true
   end
 end

data/plugins/combat/weapons/melee/scimitars.rb

@@ -25,7 +25,7 @@ create_weapon :steel_scimitar do
   other_bonuses melee_strength: 14
 end
 
-create_weapon /(black|white) scimitar/ do
+create_weapon(/(black|white) scimitar/) do
   attack_bonuses stab: 4, slash: 19
   other_bonuses melee_strength: 14
 end

data/plugins/combat/weapons/melee/two_handed_swords.rb

@@ -6,7 +6,8 @@ create_weapon_class :two_handed_sword, widget: TWO_HANDED_SWORD_WIDGET_ID do
   defaults speed: 7, animation: 7041, attack_type: :slash
   special_bar TWO_HANDED_SWORD_SPECIAL_CONFIG_ID, TWO_HANDED_SWORD_SPECIAL_BUTTON_ID
 
-  animations stand: 7047, walk: 7046, run: 7039, idle_turn: 7044, turn_around: 7044, turn_left: 7043, turn_right: 7044
+  animations stand: 7047, walk: 7046, run: 7039, idle_turn: 7044, turn_around: 7044,
+             turn_left: 7043, turn_right: 7044
 
   attack_bonuses stab: -4, magic: -4
   defence_bonuses range: -1
@@ -27,7 +28,7 @@ create_weapon :steel_2h_sword do
   other_bonuses melee_strength: 22
 end
 
-create_weapon /(?:black|white) 2h sword/ do
+create_weapon(/(?:black|white) 2h sword/) do
   attack_bonuses slash: 27, crush: 21
   other_bonuses melee_strength: 26
 end

data/plugins/combat/weapons/ranged/crossbows.rb

@@ -8,4 +8,4 @@ create_weapon_class :crossbow, widget: CROSSBOW_WIDGET_ID, type: :ranged do
   style :long_range, range: 9, button: 4
 end
 
-create_weapon /rune c'bow/, :crossbow
+create_weapon(/rune c'bow/, :crossbow)