Refactor: Organize and rename attributes

lib/suspenders/cleanup/organize_gemfile.rb

@@ -5,22 +5,25 @@ def self.perform(gemfile)
         new(gemfile).perform
       end
 
-      attr_reader :gemfile, :lines, :current_group, :gem_groups, :new_lines,
-        :new_lines_markers
+      attr_reader :gemfile, :current_lines, :new_lines, :new_lines_markers,
+        :gem_groups
 
       def initialize(gemfile)
         @gemfile = gemfile
-        @lines = File.read(gemfile).lines
-        @current_group = nil
-        @gem_groups = {}
+
+        @current_lines = File.read(gemfile).lines
         @new_lines = []
         @new_lines_markers = []
+
+        @current_group = nil
+        @gem_groups = {}
       end
 
       def perform
-        lines.delete("\n")
+        # Remove line breaks to ensure consistent spacing
+        current_lines.delete("\n")
 
-        lines.each do |line|
+        current_lines.each do |line|
           if line.starts_with?(/group/)
             @current_group = line
           end