Integrate localization.

Gemfile

@@ -2,4 +2,4 @@ source 'https://rubygems.org'
 
 ruby '~> 3.0'
 
-gem 'minigl', '~> 2.3.9'
+gem 'minigl', '~> 2.4.0'

Gemfile.lock

@@ -2,14 +2,14 @@ GEM
   remote: https://rubygems.org/
   specs:
     gosu (1.4.1)
-    minigl (2.3.9)
+    minigl (2.4.0)
       gosu (>= 0.11, < 2.0)
 
 PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
-  minigl (~> 2.3.9)
+  minigl (~> 2.4.0)
 
 RUBY VERSION
    ruby 3.0.1p64

data/text/english.txt

@@ -0,0 +1,5 @@
+play			Play
+instructions	Instructions
+options			Options
+high_scores		High Scores
+exit			Exit

data/text/portuguese.txt

@@ -0,0 +1,5 @@
+play			Jogar
+instructions	Instruções
+options			Opções
+high_scores		Recordes
+exit			Sair

src/game.rb

@@ -5,6 +5,7 @@ class << self
     attr_reader :font
 
     def initialize
+      Localization.initialize
       @music_volume = 10
       @sound_volume = 10
       @font = Res.font(:arialRounded, 24)

src/menu.rb

@@ -6,11 +6,11 @@ def initialize
 
     @buttons = {
       main: [
-        Button.new(305, 240, 'Play'),
-        Button.new(305, 290, 'Instructions'),
-        Button.new(305, 340, 'Options'),
-        Button.new(305, 390, 'High Scores'),
-        Button.new(305, 480, 'Exit') do
+        Button.new(305, 240, Localization.text(:play)),
+        Button.new(305, 290, Localization.text(:instructions)),
+        Button.new(305, 340, Localization.text(:options)),
+        Button.new(305, 390, Localization.text(:high_scores)),
+        Button.new(305, 480, Localization.text(:exit)) do
           exit
         end,
       ]